A Power Source System for Unified Dispatching of Auxiliary Machines in Power Plants

A technology of power plants and generators, which is applied in the energy industry, electrical components, circuit devices, etc., can solve the problems of unit operation safety threats, cumbersome inverter maintenance, high operation failure rate, etc., achieve superior energy saving effects, reduce length and high voltage The number of switching intervals and the effect of a simple system structure
CN106208153BActive Publication Date: 2018-09-18XIAN XIRE ENERGY SAVING TECH +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XIAN XIRE ENERGY SAVING TECH
Publication Date
2018-09-18

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Abstract

The invention discloses an auxiliary engine tracking power source system for a power plant. The auxiliary engine tracking power source system comprises a high-voltage station transformer, station auxiliary engines and a tracking power source generator, wherein a turbine-drive tracking power source generator is adopted to supply power to the station auxiliary engines; the rotary speeds of the auxiliary engines, such as a draught fan and a water pump are adjusted to the optimal working condition according to requirements of different loads for air volume and water volume, so that energy loss caused by air door baffle cut-off can be avoided. The auxiliary engine tracking power source system adopts a novel energy-saving and consumption-reducing technology for the power plant, so that the station service power consumption rate of the power plant can be substantially lowered.
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Description

Technical field:

[0001] The invention relates to an energy-saving and consumption-reducing system for an auxiliary system of a power plant, in particular to a power source system for integrated adjustment of auxiliary machinery used in a power plant. Background technique:

[0002] In thermal power plants, 80% of the factory load is consumed by various fans, pumps and other rotating auxiliary machines. When the load of the auxiliary machine is lower than the rated value, its efficiency drops significantly. This is because in order to reduce the demand for the flow of various working fluids when the main engine is under low load, measures such as air damper and throttle valve are adopted, which consumes a large amount of energy and causes a serious waste of electric energy. For this reason, the frequency converter is generally used to reduce the operating frequency of the auxiliary machine, so that the auxiliary machine works in the high-efficiency work area as much as possible, w...

Claims

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