800 watt power inverter Principle Power Inverter

The DC circuit is called reverse into AC inverter circuit. 800w power inverter‍ In certain cases, the same set of thyristor rectifier circuit not only for, but also as an inverter. 

Converter in the inverter state, if the converter is connected to an AC power source AC side, the direct current to alternating current with a frequency inverter to the grid to counter, called active inverter. If the change is not the AC side current grid connection, but directly to the load, which is a frequency inverter converts DC or AC adjustable frequency supplied to the load, then called passive inverter. AC variable speed is the use of this principle works. 220v power inverter‍ Except for the active inverter DC reversible speed control system, but also for the exchange of Rao line rotor induction motor cascade control and other aspects of HVDC.

2500 watt power inverter rated output current efficiency

6, rated output current: Indicates the inverter within the specified range of the rated output power factor of the load current. Some inverter products given is rated output capacity, vehicle power inverters‍ the unit in VA or KVA said. The rated capacity of the inverter when the output power factor of 1 (ie, purely resistive load), the rated output voltage of the rated output current of the product. 

‍7, rated output efficiency: The efficiency of the inverter under specified operating conditions, the output power to input power ratio, in%. Inverter efficiency at rated output capacity for full load efficiency of 10% at rated output capacity efficiency at low load efficiency. 

8, Protection: over-voltage protection: No voltage stabilization measures for the inverter output over-voltage protection measures due to the negative output cut from overvoltage damage. 

Overcurrent protection: inverter over-current 800w power inverter‍ protection, should be able to ensure that a short circuit in the load current exceeds the allowable value or timely action to make it from inrush current damage. 

9, starting characteristics: characterizing the performance of the inverter starting with a load capacity and dynamic work. The inverter should ensure reliable starting at rated load.

10, the noise: the transformer power electronic device, the filter inductor, electromagnetic switches and other components are the fan noise is generated. Normal operation of the inverter, inverter 2000 watt‍ the noise should not exceed 80dB, small inverter noise should not exceed 65dB.

800 watt power inverter Emergency power supply works

EPS emergency power supply on the broad sense refers to the normal power supply is interrupted, you can load a user to key independent short supply emergency power battery charger 12v‍ unit (EPS: Emergency Power Supply), including of course the title of this generalized emergency diesel generators. With static power inverter in building fire emergency should be as gradual application of power, the current domestic supply and fire protection industry has been referred to as the EPS is designed primarily refers to the use of power electronics inverter stationary emergency power system (hereinafter referred to as the unified EPS). 

EPS emergency power supply system includes rectifier chargers, batteries, inverters, each switch device and a part of the system controller. Which is the core of the inverter, usually single CPU or DSP part of the inverter SPWM modulation control, and thus obtain a good AC waveform output; role rectified mains charger when the input is normal for the battery pack to achieve timely Charge; role inverter is abnormal when the mains, the battery pack is stored DC power into AC output, stable and sustainable supply of electricity load equipment; each switch device to ensure that the load on mains power and inverter output between smooth handover; system controller for real-time control of the entire system, and 24v pure sine wave inverter‍ can be a fault alarm signal and the received signal remote control linkage, and through standard communication interface from the host computer system for remote monitoring EPS.

2500 watt power inverter Emergency Power Overview

Emergency Power Emergency figure present cars, trucks need to provide when the engine is started by a 12-volt car battery that comes when the car battery is not available, the car will not pure sine wave inverter‍ start, then you can use the car's own emergency power supply instead of the battery , start the car. 

Now with an emergency power supply can also be a lot of other rich features, emergency power becomes a broader sense, for example, can charge for mobile phones and other electrical appliances can be used as lighting, can provide power to the laptop; with a pump can also give tires cheer; inverter with 220 volts can also output to other electrical supply. 

When selecting products should be noted, first of all to the good emergency power supply for easy maintenance, even no maintenance, long battery life, can adapt to harsh working Solar power inverters‍ conditions, for example, some products can work in a wide range of temperature.

2000 watt power inverter Automotive Power

Car power inverter power called , is a way to convert the DC power DC12V and AC220V AC mains the same , for general electrical use , is a convenient power converters , AC power inverters‍ as commonly used in the automotive named. General use car power car battery or cigarette lighter power supply , the first such low-voltage direct current is converted to DC 265V or so ; then is the real transformation stage , it will transform high voltage DC to AC 220V, 50Hz for . With the car power , you can put all the family moved to the car using small appliances such as mobile phones , laptop computers, digital cameras , car refrigerators, cameras , DVD , etc., thus making the car there is a feeling of home away from home . Since its launch , many limitations of using those appliances in the car will no longer exist , people can really enjoy , " 1000w power inverter‍ and family -friendly, connected with the world " feeling .

Car power not only apply to vehicle systems , as long as there are occasions DC12V DC power supply , power inverter can be used , will convert DC12V AC220V AC, bring convenience to people's lives . Car power fully take into account the external environment , when an overload or short circuit protection will be automatically shut down. The output voltage of the power supply through the feedback confirmed the car itself can make the voltage stability, voltage variation is less than the rated load and 10V. It should be noted that the purpose of the car power supply output and the same mains voltage to meet the needs of appliances , automotive power actually output is an analog sine wave and pure sine wave inverter‍ the sine wave of the mains is true , the two slightly different , generally do not affect the use, it is the working principle of automotive power decision .

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1500 watt power inverter starting performance

General inductive loads , such as motors, refrigerators, air conditioners , washing machines, high-power water pumps, etc. , at the start , the power may be 5 to 6 times the rated power. 4000w power inverter‍ Therefore, typically inductive load starting , the inverter will withstand large transient power surges . The inverter should ensure reliable starting at rated load , high-performance inverters can be done repeatedly without damaging the starter full load power devices . Small inverters for their own safety , and sometimes requires the use of soft- start or limit start .

( 5 ) harmonic distortion

When independent inverter output waveform is a square wave and modified sine wave , the output current of the inverter , in addition to the fundamental but also have high harmonics , harmonic current will generate additional losses in the eddy and other inductive loads , resulting in part severe fever , 12v pure sine wave inverter‍ is not conducive to the safety of electrical equipment. Square wave inverter harmonic distortion of around 40% , generally apply only to a resistive load ; modified sine wave inverter harmonic distortion is less than 20% , suitable for the majority of the load ; sine wave inverter harmonics distortion is less than 3% , the waveform quality than the quality of the electricity grid fortunately , can be applied to all of the AC electrical loads.

( 6 ) the ability to output voltage stability

It refers to the ability of the regulator output voltage of the inverter . PVS independent solar battery terminal voltage in the charging and discharging process volatile, often lead-acid battery terminal voltage fluctuations of up to about 30% of nominal voltage , the inverter which requires a better performance of the regulator , in a relatively wide DC input range guaranteed to work properly. Capacity due to the use of high-frequency inverter and secondary secondary -width-modulated regulator technology , so the relative frequency inverter has a AC power inverters‍ better stability of the output voltage.