Thermal power plant generator stator cooling water system and start-stop control method thereof

A technology of generator stator and cooling water system, which is applied in the direction of cooling/ventilation devices, electrical components, electromechanical devices, etc. It can solve the problems that the stator cooling water can not be automatically started, the stator cooling water system can be automatically stopped, etc., and achieve automatic start , to achieve the effect of automatic stop

Active Publication Date: 2016-12-21
NORTH CHINA ELECTRICAL POWER RES INST +1
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Problems solved by technology

However, the existing thermal power generator stator cooling water system cannot automatically start the stator cooling water system when it is fully stopped; it cannot also automatically stop the stator cooling water system whe

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  • Thermal power plant generator stator cooling water system and start-stop control method thereof
  • Thermal power plant generator stator cooling water system and start-stop control method thereof
  • Thermal power plant generator stator cooling water system and start-stop control method thereof

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Embodiment Construction

[0056] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0057] Such as figure 1 As shown, the thermal power generator stator cooling water system of the embodiment of the present invention includes a stator cooling water tank 31, a first stator cooling water pump 24, a second stator cooling water pump 25, a first cooler 26, a second cooler 27, a stator Cooling water temperature control valve 9, stator cooling water flow regulating valve 10, stator cooling water supply filter 30, water supply filter bypass electric ...

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Abstract

The invention provides a thermal power plant generator stator cooling water system and a start-stop control method thereof. The system comprises a stator cooling water tank, a first stator cooling water pump, a second stator cooling water pump, a first cooler, a second cooler, a stator cooling water temperature control valve, a stator cooling water flow adjustment valve, a stator cooling water supply screen, a water supply screen bypass electric door, an ion exchanger, an ion exchange water replenishing electric door, an ion exchange water replenishing screen, a water replenishing screen bypass electric door, a stator cooling water tank water replenishing electric door, a stator cooling water tank water replenishing adjustment valve, a stator cooling water tank water replenishing bypass electric door and an anti-siphon electric door. In a total stator cooling water system stop state, automatic start of the stator cooling water system can be realized; in a stator cooling water system operation state, automatic stop of the stator cooling water system is realized; and human judgment is considered, jump operation of the system program control logic can be realized.

Description

technical field [0001] The invention relates to a stator cooling technology of a thermal power generator, in particular to a thermal power generator stator cooling water system and a start-stop control method thereof. Background technique [0002] The main function of the generator stator cooling water system in a thermal power plant is to ensure that the cooling water flows through the stator coil uninterruptedly, so as to take away the heat caused by the loss of the generator stator coil, so as to ensure that the temperature rise of the stator coil meets the operating requirements of the generator. Relevant requirements. However, the existing thermal power generator stator cooling water system cannot automatically start the stator cooling water system when it is fully stopped; it cannot also automatically stop the stator cooling water system when the stator cooling water system is running; and when When the start-up procedure of the stator cooling water system reaches a c...

Claims

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Application Information

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IPC IPC(8): H02K9/193
CPCH02K9/193
Inventor 任彦何振宇李朋刘邦泉赵宁孙燕平庞春凤
Owner NORTH CHINA ELECTRICAL POWER RES INST
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