PPD113B01-10-150000 |Industrial control spare parts| PPD113 AC800PEC CPU

PPD113B01-10-150000 |Industrial control  spare parts| PPD113 AC800PEC CPU
PPD113B01-10-150000 |Industrial control  spare parts| PPD113 AC800PEC CPU
High-voltage synchronous motor excitation cabinet is a kind of equipment used to control motor excitation, and its main components include power supply, controller, transformer, switch, protector, meter, etc. Among them, the power supply is the energy of the entire excitation system, the controller is the core part of the motor excitation control, the transformer is used to convert the high-voltage power output by the power supply into the low-voltage electricity required by the motor, the switch is used to control the on-off of the circuit, the protector is used to protect the safe operation of the motor and the excitation system, and the meter is used to measure the current, voltage, power and other parameters of the motor

PPD113B01-10-150000 |Industrial control  spare parts| PPD113 AC800PEC CPU
The main functions of the excitation system are as follows

1. Control the terminal voltage. The ability of the excitation system to maintain a constant voltage at the generator terminal is represented by voltage accuracy

2. Control reactive power distribution. When the generator is parallel to the power system for operation, its output active power is determined by the power input from the prime mover, while the reactive power output by the generator is related to the excitation current. Adjusting the excitation can change the reactive power output by the generator. In actual operation, changing the excitation will cause changes in both the terminal voltage and output reactive power, but the terminal voltage change is relatively small, while the output reactive power will have a significant change. Controlling the reactive power distribution between generators operating in parallel is an important function of the excitation system.

3. Improve the stability of parallel operation of synchronous generators. The basic requirement for the reliable operation of the power system is that all generators integrated into the system must maintain synchronous operation. During the operation of the system, it may be subject to various disturbances at any time, and may return to its original operating state, or transition from one equilibrium state to another. This situation is called the system is stable.
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PPD115A102 PPD113B03-26-100110PPD113B01-10-150000PPD113B01-10-150000