POWER INVERTER..INVERTER...what you need to know.... for your philippine electrical concerns...needs...installation...orders...safeelectrical2013@gmail.com

Power inverter

An inverter for a solar-mounted free-standing plant in Speyer, alongside the Rhine.

Overview of the solar inverters

A power inverter, or inverter, is an electrical power converter that changes direct current (DC) to alternating current (AC).^[1] The input voltage, output voltage, and frequency are dependent on design.

Static inverters do not use moving parts in the conversion process. Some applications for inverters include converting high-voltage direct current electric utility line power to AC, and deriving AC from DC power sources such as batteries.

Contents

  [hide] 

• 1 Types
  • 1.1 Output waveforms
    • 1.1.1 Modified sine wave
    • 1.1.2 Sine wave
  • 1.2 Resonance
  • 1.3 Grid tie
    • 1.3.1 Solar
• 2 Applications
  • 2.1 DC power source utilization
  • 2.2 Uninterruptible power supplies
  • 2.3 Induction heating
  • 2.4 HVDC power transmission
  • 2.5 Variable-frequency drives
  • 2.6 Electric vehicle drives
  • 2.7 Air conditioning
  • 2.8 Electroshock weapons
• 3 Circuit description
  • 3.1 Basic designs
  • 3.2 Output waveforms
  • 3.3 Advanced designs
  • 3.4 Three phase inverters
• 4 History
  • 4.1 Early inverters
  • 4.2 Controlled rectifier inverters
  • 4.3 Rectifier and inverter pulse numbers
• 5 See also
• 6 References
  • 6.1 General references
• 7 External links

Types[edit source]

Static inverters use switching devices arranged in an H bridge. The large switching devices for power transmission applications installed until 1970 predominantly used mercury-arc valves. Inverters for consumer use as well as power transmission systems commissioned after 1970 are solid state.^[2] The same H bridge basic design is used in smaller-scale consumer devices as well.^[3]

Output waveforms[edit source]

An inverter can produce square wave, modified sine wave, pulsed sine wave, or sine wave depending on circuit design. The two dominant commercialized waveform types of inverters as of 2007 are modified sine wave and sine wave.

There are two basic designs for producing household plug-in voltage from a lower-voltage DC source, the first of which uses a switching boost converter to produce a higher-voltage DC and then converts to AC. The second method converts DC to AC at battery level and uses a line-frequency transformer to create the output voltage.^[4]

Modified sine wave[edit source]

The waveform in commercially available modified-sine-wave inverters is a square wave with a pause before the polarity transition, which only needs to cycle through a three-position switch that outputs forward, off, and reverse output at the pre-determined frequency.^[4] The peak voltage to RMS voltage do not maintain the same relationship as for a sine wave. The DC bus voltage may be actively regulated or the "on" and "off" times can be modified to maintain the same RMS value output up to the DC bus voltage to compensate for DC bus voltage variation.

The ratio of on to off time can be adjusted to vary the RMS voltage while maintaining a constant frequency with a technique called PWM. Harmonic spectrum in the output depends on the width of the pulses and the modulation frequency. When operating induction motors, voltage harmonics is not of great concern, however harmonic distortion in the current waveform introduces additional heating, and can produce pulsating torques.^[5]

Most AC motors will run on MSW inverters with an efficiency reduction of about 20% due to the harmonic content.^{[dubious – discuss][6]}

A proposal suggested in Power Electronics magazine utilizes two voltages as an improvement over the common commercialized technology which can only apply DC bus voltage in either directions or turn it off. The proposal adds an additional voltage to this design. Each cycle consists of sequence as: v1, v2, v1, off/pause, -v1, -v2, -v1.^[7]

Sine wave[edit source]

A sine wave inverter produces a sine wave output, with a total harmonic distortion under 3%^{[citation needed]}. Sine wave inverters are more complex and have a higher cost than a modified-sine-wave type of the same size.^[7]

Resonance[edit source]

Main article: Resonant inverter

Resonant inverters produce sine waves with LC circuits to remove the harmonics from a simple square wave. Typically there are several series- and parallel-resonant LC circuits, each tuned to a different harmonic of the power line frequency. This simplifies the electronics, but the inductors and capacitors tend to be large and heavy. Its high efficiency makes this approach popular in large uninterruptible power supplies in data centers that run the inverter continuously in an "online" mode to avoid any switchover transient when power is lost.

A closely related approach uses a ferroresonant transformer, also known as a constant voltage transformer, to remove harmonics and to store enough energy to sustain the load for a few AC cycles. This property makes them useful in standby power supplies to eliminate the switchover transient that otherwise occurs during a power failure while the normally idle inverter starts and the mechanical relays are switching to its output.

Grid tie[edit source]

Grid-tie inverters are designed to feed into the electric power distribution system. They transfer synchronously with the line and have as little harmonic content as possible. They also need a means of detecting the presence of utility power for safety reasons, so as not to continue to dangerously feed power to the grid during a power outage.

Solar[edit source]

A solar inverter can be fed into a commercial electrical grid or used by an off-grid electrical network. Solar inverters have special functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection.

Applications[edit source]

DC power source utilization[edit source]

Inverter designed to provide 115 VAC from the 12 VDC source provided in an automobile. The unit shown provides up to 1.2 amperes of alternating current, or enough to power two sixty watt light bulbs.

An inverter converts the DC electricity from sources such as batteries, solar panels, or fuel cells to AC electricity. The electricity can be at any required voltage; in particular it can operate AC equipment designed for mains operation, or rectified to produce DC at any desired voltage.

Micro-inverters convert direct current from individual solar panels into alternating current for the electric grid. They are grid tie designs by default.

Uninterruptible power supplies[edit source]

An uninterruptible power supply (UPS) uses batteries and an inverter to supply AC power when main power is not available. When main power is restored, a rectifier supplies DC power to recharge the batteries.

Induction heating[edit source]

Inverters convert low frequency main AC power to higher frequency for use in induction heating. To do this, AC power is first rectifiedto provide DC power. The inverter then changes the DC power to high frequency AC power.

HVDC power transmission[edit source]

With HVDC power transmission, AC power is rectified and high voltage DC power is transmitted to another location. At the receiving location, an inverter in a static inverter plantconverts the power back to AC. The inverter must be synchronized with grid frequency and phase and minimize harmonic generation.

Variable-frequency drives[edit source]

Main article: variable-frequency drive

A variable-frequency drive controls the operating speed of an AC motor by controlling the frequency and voltage of the power supplied to the motor. An inverter provides the controlled power. In most cases, the variable-frequency drive includes a rectifier so that DC power for the inverter can be provided from main AC power. Since an inverter is the key component, variable-frequency drives are sometimes called inverter drives or just inverters.

VFDs that operate directly from an AC source without first converting it to DC are called cycloconverters. They are now commonly used on large ships to drive the propulsion motors.

Electric vehicle drives[edit source]

Adjustable speed motor control inverters are currently used to power the traction motors in some electric and diesel-electric rail vehicles as well as some battery electric vehiclesand hybrid electric highway vehicles such as the Toyota Prius, BYD e6 and Fisker Karma. Various improvements in inverter technology are being developed specifically for electric vehicle applications.^[8] In vehicles with regenerative braking, the inverter also takes power from the motor (now acting as a generator) and stores it in the batteries.

Air conditioning[edit source]

Main article: Inverter air conditioning

An inverter air conditioner uses a variable-frequency drive to control the speed of the motor and thus the compressor.

Electroshock weapons[edit source]

Electroshock weapons and tasers have a DC/AC inverter to generate several tens of thousands of V AC out of a small 9 V DC battery. First the 9VDC is converted to 400–2000V AC with a compact high frequency transformer, which is then rectified and temporarily stored in a high voltage capacitor until a pre-set threshold voltage is reached. When the threshold (set by way of an airgap or TRIAC) is reached, the capacitor dumps its entire load into a pulse transformer which then steps it up to its final output voltage of 20–60 kV. A variant of the principle is also used in electronic flash and bug zappers, though they rely on a capacitor-based voltage multiplier to achieve their high voltage.

Circuit description[edit source]

Top: Simple inverter circuit shown with anelectromechanical switch
and automatic equivalent
auto-switching device implemented with two transistors and split winding auto-transformer in place of the mechanical switch.

Square waveform with fundamental sine wave component, 3rd harmonic and 5th harmonic

Basic designs[edit source]

In one simple inverter circuit, DC power is connected to a transformer through the center tap of the primary winding. A switch is rapidly switched back and forth to allow current to flow back to the DC source following two alternate paths through one end of the primary winding and then the other. The alternation of the direction of current in the primary winding of the transformer producesalternating current (AC) in the secondary circuit.

The electromechanical version of the switching device includes two stationary contacts and a spring supported moving contact. The spring holds the movable contact against one of the stationary contacts and an electromagnet pulls the movable contact to the opposite stationary contact. The current in the electromagnet is interrupted by the action of the switch so that the switch continually switches rapidly back and forth. This type of electromechanical inverter switch, called a vibrator or buzzer, was once used in vacuum tube automobile radios. A similar mechanism has been used in door bells, buzzers and tattoo machines.

As they became available with adequate power ratings, transistors and various other types of semiconductor switches have been incorporated into inverter circuit designs. Certain ratings, especially for large systems (many kilowatts) use thyristors (SCR). SCRS provide large power handling capability in a semiconductor device, and can readily be controlled over a variable firing range.

Output waveforms[edit source]

The switch in the simple inverter described above, when not coupled to an output transformer, produces a square voltage waveformdue to its simple off and on nature as opposed to the sinusoidal waveform that is the usual waveform of an AC power supply. Using Fourier analysis, periodic waveforms are represented as the sum of an infinite series of sine waves. The sine wave that has the same frequency as the original waveform is called the fundamental component. The other sine waves, called harmonics, that are included in the series have frequencies that are integral multiples of the fundamental frequency.

Fourier analysis can be used to calculate the total harmonic distortion (THD). The total harmonic distortion (THD) is the square root of the sum of the squares of the harmonic voltages divided by the fundamental voltage:

Advanced designs[edit source]

H bridge inverter circuit with transistor switches and antiparallel diodes

There are many different power circuit topologies and control strategies used in inverter designs. Different design approaches address various issues that may be more or less important depending on the way that the inverter is intended to be used.

The issue of waveform quality can be addressed in many ways. Capacitors and inductors can be used to filter the waveform. If the design includes a transformer, filtering can be applied to the primary or the secondary side of the transformer or to both sides.Low-pass filters are applied to allow the fundamental component of the waveform to pass to the output while limiting the passage of the harmonic components. If the inverter is designed to provide power at a fixed frequency, a resonant filter can be used. For an adjustable frequency inverter, the filter must be tuned to a frequency that is above the maximum fundamental frequency.

Since most loads contain inductance, feedback rectifiers or antiparallel diodes are often connected across each semiconductorswitch to provide a path for the peak inductive load current when the switch is turned off. The antiparallel diodes are somewhat similar to the freewheeling diodes used in AC/DC converter circuits.

waveform	signal transitions per period	harmonics eliminated	harmonics amplified	System Description	THD
	2	-	-	2-level square wave	~45%[7]
	4	3, 9, 27,...	-	3-level "modified square wave"	> 23.8%[7]
	8			5-level "modified square wave"	> 6.5%[7]
	10	3, 5, 9, 27	7, 11,...	2-level very slow PWM
	12	3, 5, 9, 27	7, 11,...	3-level very slow PWM

Fourier analysis reveals that a waveform, like a square wave, that is anti-symmetrical about the 180 degree point contains only odd harmonics, the 3rd, 5th, 7th, etc. Waveforms that have steps of certain widths and heights can attenuate certain lower harmonics at the expense of amplifying higher harmonics. For example, by inserting a zero-voltage step between the positive and negative sections of the square-wave, all of the harmonics that are divisible by three (3rd and 9th, etc.) can be eliminated. That leaves only the 5th, 7th, 11th, 13th etc. The required width of the steps is one third of the period for each of the positive and negative steps and one sixth of the period for each of the zero-voltage steps.^[9]

Changing the square wave as described above is an example of pulse-width modulation(PWM). Modulating, or regulating the width of a square-wave pulse is often used as a method of regulating or adjusting an inverter's output voltage. When voltage control is not required, a fixed pulse width can be selected to reduce or eliminate selected harmonics. Harmonic elimination techniques are generally applied to the lowest harmonics because filtering is much more practical at high frequencies, where the filter components can be much smaller and less expensive. Multiple pulse-width or carrier based PWM control schemes produce waveforms that are composed of many narrow pulses. The frequency represented by the number of narrow pulses per second is called the switching frequencyor carrier frequency. These control schemes are often used in variable-frequency motor control inverters because they allow a wide range of output voltage and frequency adjustment while also improving the quality of the waveform.

Multilevel inverters provide another approach to harmonic cancellation. Multilevel inverters provide an output waveform that exhibits multiple steps at several voltage levels. For example, it is possible to produce a more sinusoidal wave by having split-rail direct currentinputs at two voltages, or positive and negative inputs with a central ground. By connecting the inverter output terminals in sequence between the positive rail and ground, the positive rail and the negative rail, the ground rail and the negative rail, then both to the ground rail, a stepped waveform is generated at the inverter output. This is an example of a three level inverter: the two voltages and ground.^[10]

Three phase inverters[edit source]

3-phase inverter with wye connected load

Three-phase inverters are used for variable-frequency drive applications and for high power applications such as HVDC power transmission. A basic three-phase inverter consists of three single-phase inverter switches each connected to one of the three load terminals. For the most basic control scheme, the operation of the three switches is coordinated so that one switch operates at each 60 degree point of the fundamental output waveform. This creates a line-to-line output waveform that has six steps. The six-step waveform has a zero-voltage step between the positive and negative sections of the square-wave such that the harmonics that are multiples of three are eliminated as described above. When carrier-based PWM techniques are applied to six-step waveforms, the basic overall shape, or envelope, of the waveform is retained so that the 3rd harmonic and its multiples are cancelled.

3-phase inverter switching circuit showing 6-step switching sequence and waveform of voltage between terminals A and C (2³-2 states)

ght moments to produce DC. A la

To construct inverters with higher power ratings, two six-step three-phase inverters can be connected in parallel for a higher current rating or in series for a higher voltage rating. In either case, the output waveforms are phase shifted to obtain a 12-step waveform. If additional inverters are combined, an 18-step inverter is obtained with three inverters etc. Although inverters are usually combined for the purpose of achieving increased voltage or current ratings, the quality of the waveform is improved as well.

History[edit source]

Early inverters[edit source]

From the late nineteenth century through the middle of the twentieth century, DC-to-AC power conversion was accomplished using rotary converters or motor-generator sets (M-G sets). In the early twentieth century, vacuum tubes and gas filled tubes began to be used as switches in inverter circuits. The most widely used type of tube was the thyratron.

The origins of electromechanical inverters explain the source of the term inverter. Early AC-to-DC converters used an induction or synchronous AC motor direct-connected to a generator (dynamo) so that the generator's commutator reversed its connections at exactly the right moments to produce DC. A later development is the synchronous converter, in which the motor and generator windings are combined into one armature, with slip rings at one end and a commutator at the other and only one field frame. The result with either is AC-in, DC-out. With an M-G set, the DC can be considered to be separately generated from the AC; with a synchronous converter, in a certain sense it can be considered to be "mechanically rectified AC". Given the right auxiliary and control equipment, an M-G set or rotary converter can be "run backwards", converting DC to AC. Hence an inverter is an inverted converter.^[11]

Controlled rectifier inverters[edit source]

Since early transistors were not available with sufficient voltage and current ratings for most inverter applications, it was the 1957 introduction of the thyristor or silicon-controlled rectifier (SCR) that initiated the transition to solid state inverter circuits.

12-pulse line-commutated inverter circuit

The commutation requirements of SCRs are a key consideration in SCR circuit designs. SCRs do not turn off or commutateautomatically when the gate control signal is shut off. They only turn off when the forward current is reduced to below the minimum holding current, which varies with each kind of SCR, through some external process. For SCRs connected to an AC power source, commutation occurs naturally every time the polarity of the source voltage reverses. SCRs connected to a DC power source usually require a means of forced commutation that forces the current to zero when commutation is required. The least complicated SCR circuits employ natural commutation rather than forced commutation. With the addition of forced commutation circuits, SCRs have been used in the types of inverter circuits described above.

In applications where inverters transfer power from a DC power source to an AC power source, it is possible to use AC-to-DC controlled rectifier circuits operating in the inversion mode. In the inversion mode, a controlled rectifier circuit operates as a line commutated inverter. This type of operation can be used in HVDC power transmission systems and in regenerative brakingoperation of motor control systems.

Another type of SCR inverter circuit is the current source input (CSI) inverter. A CSI inverter is the dual of a six-step voltage source inverter. With a current source inverter, the DC power supply is configured as a current source rather than a voltage source. The inverter SCRs are switched in a six-step sequence to direct the current to a three-phase AC load as a stepped current waveform. CSI inverter commutation methods include load commutation and parallel capacitor commutation. With both methods, the input current regulation assists the commutation. With load commutation, the load is a synchronous motor operated at a leading power factor.

As they have become available in higher voltage and current ratings, semiconductors such as transistors or IGBTs that can be turned off by means of control signals have become the preferred switching components for use in inverter circuits.

Rectifier and inverter pulse numbers[edit source]

Rectifier circuits are often classified by the number of current pulses that flow to the DC side of the rectifier per cycle of AC input voltage. A single-phase half-wave rectifier is a one-pulse circuit and a single-phase full-wave rectifier is a two-pulse circuit. A three-phase half-wave rectifier is a three-pulse circuit and a three-phase full-wave rectifier is a six-pulse circuit.^[12]

With three-phase rectifiers, two or more rectifiers are sometimes connected in series or parallel to obtain higher voltage or current ratings. The rectifier inputs are supplied from special transformers that provide phase shifted outputs. This has the effect of phase multiplication. Six phases are obtained from two transformers, twelve phases from three transformers and so on. The associated rectifier circuits are 12-pulse rectifiers, 18-pulse rectifiers and so on...

When controlled rectifier circuits are operated in the inversion mode, they would be classified by pulse number also. Rectifier circuits that have a higher pulse number have reduced harmonic content in the AC input current and reduced ripple in the DC output voltage. In the inversion mode, circuits that have a higher pulse number have lower harmonic content in the AC output voltage waveform.

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YOU'LL HAVE PEACE OF MIND...YOU CAN SLEEP WELL EVEN WHEN LIGHTNING STRIKES...

YOU KNOW YOUR WELL PROTECTED...

IN YOUR HOME, IN YOUR PLACE OF BUSINESS AND IN YOUR PROPERTIES...

HURRY..CALL US...NOW!!!!

THANK YOU FOR YOUR ADVANCE ORDERS AND INQUIRIES...

"PHILIPPINE FOREIGNERS AND PHILIPPINE PROVINCES ELECTRICAL SUPPLIER

 AND SERVICE PROVIDER"

"SAFE ELECTRICAL SUPPLY AND SERVICES"

"SAFE ELECTRICAL SUPPLY AND SERVICES"

"SAFE ELECTRICAL SUPPLY AND SERVICES"

"SAFE ELECTRICAL SUPPLY AND SERVICES"

Jigz Enerio - Sales/Project Coordinator

Safe Electrical Supply and Services

Registered Master Electrician PRC#00034433

Real Estate Broker PRC#0000838

Institute of Integrated Electrical Engineers(IIEE)Membership#19420

Telephone:  4068727  4922566

Telefax:    4178583  4317553

smart:      09079522099

globe:      09273919600

sun:        09227192434

Building K-415 Smilecitihomes 1 Barangay Kaligayahan 

Novaliches Quezon City 1124

YAHOO MESSENGER: SAFEELECTRICALSUPPLYANDSERVICES@YAHOO.COM

                 SAFEELECTRICALSUPPLYANDSERVICES

WEBSITE:        WWW.SAFEELECTRICALSUPPLYANDSERVICES.BLOGSPOT.COM

WEBSITE:        WWW.SAFEELECTRICALSUPPLYANDSERVICES.BLOGSPOT.COM

WEBSITE:        WWW.SAFEELECTRICALSUPPLYANDSERVICES.BLOGSPOT.COM

WEBSITE:        WWW.SAFEELECTRICALSUPPLYANDSERVICES.BLOGSPOT.COM   

"The Elevator to Success is always out of order,

        but one can always use the stairs"

"One does not Lead by hitting people over the Head,

        that's assault not Leadership"  - Eisenhower

"If You Think Education is Expensive,

        count the cost of being ignorant" - Past Harvard President

"If you're gonna be thinking anyway,

        you might as well think big"    - Donald Trump

"Insanity, doing the same things 

        over and over again,

        then expecting a different result"   - Albert Einstein

"Small minds talk of people, 

        average minds talk of events,

               great minds talk of ideas"

“I shall pass this way but once; any good that I can do 

        or any kindness I can show to any human being;   

        let me do it now. Let me not defer nor neglect it,

        for I shall not pass this way again.”

              Etienne de Grellet  (1773-1855);

              Quaker missionary

If you wanna make the world a better place

take a look at yourself and make a change  

                  - Michael Jackson

"The Best things in life are FREE,

        Family, Relatives, Friends, Health and most especially Time"

Our company operates in the principle of cooperation, collaboration, 

joint partnership/marketing and cross promotion.

We treat our people,clients,suppliers,affiliates

subcontractors, business owners, entrepreneurs(SMALL TIME or Bigtime),

common people,sales people especially PURCHASING OFFICERS as our business partners and friends.

We operate in the principle of Win-Win in every transactions we get involved in 

and our company would like to establish good long-term relationship with the client we serve...

We value and aim for REPEAT BUSINESS...and not just for a one-time transaction...

Delivery Schedule:  9am to 10pm Monday to Friday Only

OFFICE DAYS:  Monday to Friday Only

              9-12PM TO 1-5PM ONLY

              

              Saturday: Lord's day "EL SHADDAI" The God who is more than enough

              Sunday:   Family day

10% of what the company earns, we give to the Lord,

10% of what the company earns, we give to charity,

this is the company's way of giving back part of what it earns,

to the community and above.            

"It is unwise to pay too much, but it's worst to pay too little.

    When you pay too much, you lose a little money - that is all...

 When you pay too little, You sometimes lose everything,

    Because the thing you bought or the service you acquired

      was incapable of doing the thing it was bought or intended to do.

 The common law of business balance 

    prohibits paying a little and getting a lot - it can't be done.

       If you deal with the lowest bidder,

          It is well to add something for the risk you run,

             And if you do that, 

                You will have enough to pay for something better." 

                       - JOHN RUSKIN(1819 - 1900)

"Good things aren't cheap,

                 and cheap things aren't good"

HEALTH TIPS  HEALTH TIPS  HEALTH TIPS  HEALTH TIPS  HEALTH TIPS  HEALTH TIPS

ATTENTION:         FOR ALL INDIVIDUALS ESPECIALLY THOSE AGE 40 AND ABOVE.

MEDICAL EXPERIMENT - MIRACLES WITH WATER

Japanese Sickness Association has published the following experiment with WATER.

They Claim 100% success for curing old and new diseases as follows:

1. Headache, BP, Anaemia, Arthrosis, Paralysis, Palpitation, Epilepsy and Obesity

2. Cough, Bronchitis, Asthma, and Tuberculosis

3. Meningitis and any other diseases connected with URINE and LIVER.

4. Hyper-acidity, Gastritis, Dysentery, Constipation, Piles and Diabetes

5. Any other diseases connected with Eye, Nose and Throat.

6. Irregular menstrual periods of women

METHOD OF TREATMENT AND MAINTENANCE:

1. Wake-up early morning and drink Four(4) glasses (160ml each) in an empty stomach. 

    Thereafter, no solids or liquids should be taken up to 45 minutes.

2. Normal breakfast can be taken after the 45 minutes time elapsed.

3. Nothing either liquid or solid should be taken  for Two(2) hours after breakfast, the same as with Lunch and Dinner.

4. After Dinner nothing should be taken before bedtime or sleep.

Sick and old people will find it difficult to drink Four(4) glasses of water at an  instant in the beginning, but, can increase

gradually to the recommended level in a short time period.

Experiment has proved that the following diseases have been cured on treatment of water for the period shown against them

a) Hypertension - 30 days                  d) Constipation  - 10 days

b) Gastric Problems - 30 days           e) Cancer - 6 months

c) Diabetes  - 30 days                         f) Tuberculosis  - 3 months

Those who suffering from Arthritis should try this experiment three(3) times a day for one(1) week and thereafter reduce to 

once in the morning. For first few days you may experience to pass urine more than the norma, but no side effects.

THIS WILL CLEANSED YOUR BODY OF IMPURITIES AND WILL

PREVENT MANY TYPES OF DISEASES...

EXERCISE RELIGIOUSLY...

AS THE SAYING GOES "HEALTH IS WEALTH"

REMEMBER:

70% of our body is made up of water...

only 30% of our body is solid...

HEALTH  IS WEALTH...

WHAT'S THE USE OF HAVING A BILLION 

                                             BUT LYING IN A BED - SICK

                                                                    OR SUFFERING FROM AN ILLNESS.....

I WOULD RATHER HAVE A CLEAN BILL OF HEALTH FOR A BILLION.

WHEN YOU REACH THE AGE OF 35 EXERCISE IS A MUST...

WATCH YOUR DIET...

EXERCISE DAILY AND RELIGIOUSLY

TAKE YOUR MULTIVITAMINS TO SUPPLEMENT YOUR FOOD INTAKE....

THE BEST THINGS IN LIFE ARE FREE.....

           FAMILY....RELATIVES....FRIENDS....HEALTH and most importantly TIME....

YOU ARE MORE BLESSED THAN OTHERS...

WHEN YOU HAVE BOTH YOUR EYES SO YOU CAN CLEARLY SEE

        OTHERS HAVE ONLY ONE...OTHERS ARE TOTALLY BLIND...

WHEN YOU HAVE BOTH YOUR EARS SO YOU CAN CLEARLY HEAR

       OTHERS HAVE ONLY ONE...OTHERS ARE TOTALLY DEAF...

WHEN YOU HAVE BOTH YOUR HANDS SO YOU CAN HOLD THINGS WELL

       OTHERS HAVE ONLY ONE...OTHERS HAVE NONE...

WHEN YOU HAVE BOTH YOUR FEET SO YOU CAN WALK EASILY

       OTHERS HAVE ONE...OTHERS HAVE NONE..

WHEN YOU STILL HAVE YOUR PARENTS...

       OTHERS HAVE ONE...OTHERS HAVE NONE...

WHEN YOU HAVE CHILDREN...

      OTHERS HAVE ONE...OTHERS HAVE NONE...

WHEN YOU HAVE A FAMILY...

      SOME HAVE NONE...OTHERS TOTALLY ORPHANED

WHEN YOU ARE LIVING IN THE PHILIPPINES...A DEMOCRATIC COUNTRY..

      THE WEATHER NOT THAT EXTREMELY HOT NOR COLD..

       WERE PLANTS AND TREES GROW EASILY

       SURROUNDED BY SEAS FULL OF FISHES AND NATURAL RESOURCES

WHEN YOU ARE OLD AND STILL LIVING WITH YOUR CHILDREN

       IN SOME COUNTRIES OLD PARENTS AND PEOPLE 

            ARE LEFT IN THE "HOME OF THE AGED NURSING FOUNDATION"

WHEN YOU STILL HAVE YOUR JOB...WORKING IN AN AIR-CONDITIONED  

        ROOM..JUST CONSIDER THE CONSTRUCTION WORKERS DOING THEIR

        HARD LABOR JOBS UNDER THE HEAT OF THE SUN...IGNORING THE

        DANGEROUS ELEMENTS CONFRONTING THEM....

COUNT YOUR BLESSINGS...COUNT THEM ONE BY ONE...

DON'T THINK OF SAYING ANY UNKIND WORD...

      THINK OF PEOPLE WHO CAN'T SPEAK,

DON'T COMPLAIN ABOUT THE FOOD YOU EAT,

      SOME HAVE NOTHING.

DON'T COMPLAIN ABOUT LIFE,

      PAINT A SMILE ON YOUR FACE

AND THANK GOD YOU'RE ALIVE AND STILL AROUND

LIFE IS A GIFT......

LIVE IT WELL......

SAFETY 1ST

               REPEAT BUSINESS 2ND

PRAY ALWAYS IT WORKS!!!            

ATTENTION:  FOREIGN ELECTRICAL MANUFACTURERS AND ELECTRICAL DISTRIBUTORS

OUR COMPANY WELCOMES ELECTRICAL FOREIGN SUPPLIER/MANUFACTURER/S

WHO WOULD LIKE TO OFFER THEIR PRODUCT LINE

HERE IN THE PHILIPPINES BUT ON A CONSIGNMENT BASIS ONLY,

MEANING PAYMENT WILL BE FOR A CERTAIN PERIOD...EXAMPLE SIX(6) MONTHS TO ONE(1) YEAR,

ALL THOSE ITEMS THAT WILL NOT BE SOLD OR SLOW MOVING ITEMS WILL BE REPLACED

AND WE WILL JUST PAY FOR THOSE SOLD ITEMS

YOUR COMPANY WILL BE SHOULDERING THE FORWARDING/FREIGHT COST

OR SHIPMENT COST...

WE WILL BE IN CHARGE OF STOCKAGE,MARKETING,SALES AND AFTER SALES CONCERNS..

CONTACT,EMAIL OR CALL US IF YOUR COMPANY IS INTERESTED WITH OUR OFFER...

BY THE WAY PAYMENT WILL BE BANK TO BANK...

YOUR BANK WILL BE COORDINATING WITH OUR LOCAL BANK HERE IN THE PHILIPPINES....

CALL/EMAIL US IF YOUR COMPANY IS INTERESTED ON OUR OFFER....