Title:
VOLTAGE CONTROLLER IN POWER STATION
Document Type and Number:
Japanese Patent JPH01148026
Kind Code:
A
Abstract:
PURPOSE:To improve operating property, by controlling main transformer transmission-system side voltage according to switching the tap of a main transformer, interlocked with the control of generator voltage. CONSTITUTION:A generator 11 is connected to a transmission system 13 via a main step-up transformer 12. In this case, the generator 11 is provided with a field winding 14, and the main transformer 12 is provided with a tap switching device 15 at the time of loading. In the meantime, to a controller 16, transmission system side voltage, reactive power, or the like as control command 17 is applied, and the transmission system side voltage of the main transformer 12 as detection input 18 is applied. Besides, to the tap switching device 15 at the time of loading, tap switching command is applied, and to a voltage setting unit 19, the setting command of generator voltage is applied. The controller 16 is composed of an arithmetic controlling means 161 and an execution controlling means 162, and by said command 17 and the like, arithmetic is performed on the generator voltage, and the output of the tap switching command is generated. Then, based on a reference value with an automatic voltage regulator 20 for the generator, DC voltage to the field winding 14 is determined.
Inventors:
SUKEGAWA MASAYOSHI
SATO OSAMU
SATO OSAMU
Application Number:
JP30446687A
Publication Date:
June 09, 1989
Filing Date:
December 03, 1987
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
H02J3/46; G05F1/14; H02J3/38; (IPC1-7): G05F1/14; H02J3/38; H02J3/46
Domestic Patent References:
| JPS5571126A | 1980-05-29 | |||
| JPS5212833B2 | 1977-04-09 |
Attorney, Agent or Firm:
Hideaki Tokawa (1 outside)