The power regulator is a power supply circuit or power supply device that can automatically adjust the output voltage. It is composed of a voltage regulator circuit, a servo motor, and a control circuit. The biggest use of a voltage regulator is to stabilize the voltage that fluctuates and does not meet the requirements of the electrical appliance within its set value range so that the appliance can operate at a normal voltage. The following small series introduces the function of the power regulator and the precautions for using the power regulator.
Power Regulator Function
The first is that its wide input voltage range allows him to make a wide range of changes in the car battery voltage. Then it is the perfect combination of its switching power supply and its super capacitor system, which can make the work smooth and intelligent, to a certain extent can be very effective protection of the car's battery. There is also its low ripple output, which can effectively control power noise interference. The last is its comprehensive protection function, which can automatically restore the input voltage and restrict the input current.
Power Regulator Usage Considerations
1. When the power equipment is not used for a long time, please turn off the power switch of the power equipment to reduce power consumption and extend the life of the regulator.
2. The wires connected to the voltage regulator should have enough bearing surfaces to prevent heat generation and reduce pressure drop. Voltage regulators with a capacity of more than 2 kVA are connected by terminals. Single copper conductors should be used. Tighten the terminal screws as much as possible to prevent heating at the connection.
3, the regulator must not be overloaded. When the mains voltage is low, the output capacity decreases and the regulator load should be reduced accordingly.
4. Regardless of the single-phase or three-phase voltage regulator, after all the input and output lines are connected, the load power switch should be turned off first, and then the regulator should be turned on. After checking the normal output voltage, turn on the power switch of the load.
5, when the selection of electrical appliances such as refrigerators, air conditioners, pumps and other motor running equipment, should be more than 3 times the capacity of the regulator, so as to avoid the device start-up current exceeds the regulator fuse current or over-current protection circuit breaker current to make voltage regulator The fuse is blown or the circuit breaker trips or the voltage drop is too large to work.
Differences between regulators and transformers
1, the transformer is not the effect of regulation, but the use of negative feedback skills can be designed to have a transformer with a stabilizing effect, which is no doubt, but usually the transformer is not the case. Transformer output voltage change is not large in a certain range of application, and what we call regulation is not a concept.
2. The regulators all use the same skills to complete the output voltage stability. The output voltage is sampled through the divider resistor connected to the inverting input of the error amplifier. The non-inverting input of the error amplifier is connected to a reference voltage.
The error amplifier always tries to force its two inputs to be level. For this purpose, it supplies the load current to ensure that the output voltage is stable (that is, negative feedback).
Editor's summary: Regarding the function of the power regulator and the precautions for using the power regulator, it is introduced here. I hope to be helpful to everyone. If you want to know more related information, you can pay attention to this website information.
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