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Generator system and related method for operating generation system

A technology of power generation system and generator, applied in photovoltaic power generation, photovoltaic power station, electrical components and other directions, can solve the problems of constant speed engine health and low efficiency affecting maintenance cycle

Inactive Publication Date: 2016-06-22
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Typically, constant speed engines have low efficiency at loads below a certain threshold limit (say 25%)
Furthermore, operating a constant speed engine at such low loads adversely affects overall maintenance intervals and the health of the constant speed engine

Method used

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  • Generator system and related method for operating generation system
  • Generator system and related method for operating generation system
  • Generator system and related method for operating generation system

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Embodiment Construction

[0042] This specification is best understood by reference to the detailed drawings and descriptions set forth herein. Various embodiments are described below with reference to the accompanying drawings. However, those skilled in the art will readily appreciate that the detailed description given herein with respect to these figures is for illustration purposes only, as methods and systems extend beyond the scope of the described embodiments.

[0043] In the following specification and claims, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. The term "or" as used herein is not intended to be exclusive, but to mean the presence of at least one of the referenced components and includes cases where combinations of the referenced components may be present, unless the context clearly dictates otherwise.

[0044] Approximate language as used herein may be applied throughout the specification and claims to modify any quant...

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Abstract

The invention discloses a generator system and a related method for operating a generation system. The invention discloses a generation system. The generation system comprises a double-feed induction generator coupled to a variable-speed generator (DFIG) and a photovoltaic (PV) power supply. The DFIG comprises a generator which generates first power which is at least partially based on the operation speed of the variable-speed generator; the PV power supply supplies second power to a DC chain between a rotor side converter and a circuit side converter; the generator and the circuit side converter are coupled to the power grid and / or the local electric load in order to supply at least part of the first power and second power to the local electric load.

Description

technical field [0001] The present application relates generally to the generation of electrical power, and more particularly to power generation systems employing variable speed motors and photovoltaic (PV) power sources. Background technique [0002] Typically, power generation systems, such as generators, use fuels such as diesel, gasoline, etc. to generate electrical power that can be supplied to local electrical loads. Reducing fuel consumption is an ongoing effort to achieve low cost and environmentally friendly power generation systems. To this end, various hybrid power generation systems are available which use a generator operated by a constant speed engine as the main power source, and some form of renewable energy source, such as a wind turbine, as an auxiliary power source. [0003] In such a hybrid power generation system, as the amount of power generated by renewable energy sources increases, the power generated by a generator operated by a constant speed engi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/28H02S10/10
CPCH02J3/28H02J3/381H02J3/383H02S10/00Y02E10/56Y02E70/30
Inventor A.R.科尔瓦尔卡S.拉马钱德拉帕尼克A.K.蒂瓦里S.塔蒂康达
Owner GENERAL ELECTRIC CO