Starting and load limiting method for hydraulic turbine generator with electric governor
专利汇可以提供Starting and load limiting method for hydraulic turbine generator with electric governor专利检索，专利查询，专利分析的服务。并且PURPOSE: To attain starting of a hydraulic turbine generator without a shock by constituting a starting and load limiting method therefor such that an output of a speed controlling amplifier and a deviation amount between an opening setting instruction amount and a rigidity restoration amount are applied to a limiter circuit in order to start the hydraulic turbine generator with its governor system being held active upon such starting.
CONSTITUTION: In starting a hydraulic turbine generator, when a contact S
1 is closed by a starting instruction, a predetermined starting opening setting instruction amount is sent out therefrom to raise the potential at a point A from 0V to a predetermined level. Simultaneously, a predetermined speed instruction amount is input to a comparator circuit 12
2 through a contact S
11 while another predetermined speed instruction amount is input to another comparator circuit 12
3 from a speed governor 7. When a speed setting instruction amount is applied to a limiter circuit 10 by way of a comparator circuit 12
4 and a speed controlling amplifier 1 while the starting opening setting instruction amount is applied to the limiter circuit 10 by way of the contact S
1 , a comparator circuit 12
1 and an amplifier 11, the output of the limiter circuit 10 is limited to a predetermined amount. The thus limited output amount of the limiter circuit 10 is applied to a converter 2 to open a guide valve through a pressure distribution valve 3 and a servo motor 4.
COPYRIGHT: (C)1979,JPO&Japio，下面是Starting and load limiting method for hydraulic turbine generator with electric governor专利的具体信息内容。
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