Description
Specifications and functions :
functions : SYN5202 is an automatic quasi-synchronous device of ABB brand, which is used for parallel operation of generators in power system to ensure that generators can be quickly pulled into synchronous operation with minimum impulse current to ensure the safety of power grid and units
quasi-synchronous mode : adjust the generator speed and excitation device to make the generator voltage and frequency close to the system value, and turn on the circuit breaker when the phase Angle difference is zero
Key parameters :
voltage difference : The voltage difference between the two sides of the circuit breaker should be within the given value to ensure that the impulse current of the system to the generator at the instant of grid connection is within the allowable range
frequency difference : the voltage frequency difference on both sides of the circuit breaker also needs to be within the given value to meet the conditions of quasi-synchronous grid connection
phase Angle difference : the phase Angle difference at closing moment should be close to zero to minimize the impulse current
Other features :
May have a PID adjustment function for sending a regulating pulse to the governor based on the frequency difference to adjust the generator speed
The equipment design should meet the high reliability and stability requirements of the power system for the synchronous device.
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