Starting method of high voltage direct current transmission system
A technology of power transmission system and starting method, which is applied in the direction of power transmission AC network, etc., and can solve the problems of increasing reactive power loss, limited frequency modulation capability, and limited DC voltage adjustment range
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[0025] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0026] The present invention provides a starting method of a high-voltage direct current transmission system, which is suitable for the situation where the communication between one pole station fails and the frequency control function is started. The starting method includes the following steps:
[0027] (1) Before starting, when the inter-station communication fails and the "frequency control" option is enabled, set the current command on the rectification side to 1.0pu, and cancel the voltage reference value compensation of the constant voltage controller on the rectification side at the same time. Increase the voltage reference value compensation on the side, and set the voltage reference value on both sides according to the operation needs of the DC system;
[0028] (2) Unlock the inverter side first. After the inverter side is unlocke...
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