Showing posts with label 12vdc. Show all posts
Showing posts with label 12vdc. Show all posts

Thursday, October 30, 2014

Inverter Circuit 12VDC to 220V 50Hz 500W

This is circuit Inverter 12VDC to 220V 50Hz 500W.
It easy to make and Low cost. Friends favorite circuit about the the inverter, because like working outdoors, or to backup storage to use when necessary. Most of this is circuit low power, which is not suitable for practical applications. My friends said that he would be about 500 Watt.

It is a good size. Use with television receivers and light bulbs as well. When looking for circuit. I get headaches. If you are a beginner or I can not buy expensive good quality circuits. Requires only one transistor. Or if you have free time. I want to build old circuit is alive again. This circuit will accommodate all your needs. It is a simple circuit. 

Inverter
Inverter 12VDC to 220V 50Hz 500W

The same principle, I take battery voltage 12V to produce a oscillator about 100 Hz and pass to a two frequency divider circuit is only 50HZ. And drive a 10 ampere transformer with 10 x 2N3055 transistor in parallel. By a single transistor has 2A, when I use 10 transistors or 5 pairs of drive high current output. The complexity of circuit, but the principle is not it, and it is the number of transistors on a basic, easy to buy. You may be modified 100 watt power inverter To the size of transistors and transformers as well

1500 W Cobra Power Inverter 12VDC to 120VAC

1500Power Inverter manufactured by Cobra, capable converting input battery 12VDC to become 120VAC with power loads (output) up to 1500W.

This inverter gives household power on the go. It converts battery power to 120 V AC household power, permitting you to power up office equipment and household appliances from your vehicle. This unit is ideal for such appliances as microwave ovens (1000 watts or much less), coffeemakers, laptops, TVs, video game consoles, CD and DVD players, cell phone chargers, and far more.

How The Cobra Power Inverter Works
The Cobra power inverter is an electronic item that has been created and built to take low-voltage DC (Direct Current) power from your automobile or other low-voltage power supplies and convert it to standard 115 volt AC (Alternating Current) power like the current youve inside your residence. This conversion process thereby allows you to make use of numerous of your household appliances and electronic goods in automobiles, RVs, boats, tractors, trucks, and practically anywhere else.

Cobra 1500 Watt Output Waveform
Some quite sensitive electronic equipment could not operate satisfactorily on "square wave" or "modified sine wave" power. The output waveform of the Cobra Inverter is actually a "square wave" or "modified sine wave." It truly is a stepped waveform created to have characteristics similar to the sine wave shape of utility power. A waveform of this nature is suitable for most AC loads, including linear and switching power suppliers used in electronic equipment, transformers, and motors.

AC receptacles
With three ground AC receptacles, you can connect and power multiple devices at as soon as.

USB Output
The 5-Volt USB output permits charging and operation of modern portable devices, for example iPods, BlackBerrys, and cell phones.

Remote On/Off Switch Capable
An optional Remote On/Off Switch could be connected to the Remote Jack, allowing you to turn the Cobra power inverter on or off from a convenient location when the inverter is installed out of reach.

Safety Features
The CPI 1575 will notify you with a flashing meter and alarm sound when there is a power issue, and will shut down for protection in the following situations:

  • Current Overload Protection--If the inverter is overloaded, itll shut down to protect itself.
  • Short Circuit Protection--If the AC output of the inverter is short-circuited for 1 second or more, it is going to shut down to safeguard itself.
  • Low Voltage Protection--If the input voltage drops to 10.0V or much less, the inverter will shut down to protect itself.
  • High Voltage Protection--If the DC input voltage rises above 15.0V, the inverter will shut down to safeguard itself.
  • Over Temperature Protection--If the internal temperature rises to 40 degrees C (104 degrees F), the inverter will shut down to safeguard itself. 

Wednesday, September 24, 2014

Monitor voltage and 5VDC and 12VDC Circuit Diagram

This circuit is a voltage monitor which operates on fixed testes ± 5 VDC and ± 12 VDC, and is easily constructed as shown in Fig. It is considerably simpler than the normal display using comparators and AND gates. The circuit is not intended to indicate the level of entries. If one of the testes fail, for example, -5 V line fails, the transistor Q3 remains on but the base-emitter junction of T2 is not, so that this transistor is cut off. When this happens, there is no current through D, which then turns off.

Monitor voltage + and - 5VDC + and - 12VDC Circuit Diagram

Monitor voltage + and - 5VDC + and - 12VDC Circuit Diagram