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Doubly-fed converter integrated with wind power master control

A doubly-fed converter and converter technology, which is applied to electrical components, substation/distribution device enclosures, substation/switch layout details, etc. The effect of reducing unit cost and improving response speed

Inactive Publication Date: 2020-06-05
ZHEJIANG WINDEY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention mainly solves the technical problem of high cost of the original doubly-fed wind power generator; it provides a doubly-fed converter with integrated wind power main control, and integrates the main control system with the doubly-fed converter to effectively reduce the cost of doubly-fed power generation. The cost of wind turbines

Method used

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  • Doubly-fed converter integrated with wind power master control
  • Doubly-fed converter integrated with wind power master control
  • Doubly-fed converter integrated with wind power master control

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Embodiment

[0033] Embodiment: A doubly-fed converter integrated with wind power master control in this embodiment, such as Figure 1~3 As shown, the multi-function cabinet 4 is included, and the multi-function cabinet is divided into three parts, namely the grid-connected cabinet 4.1, the power cabinet 4.2 and the control cabinet 4.3. The grid-connected module 1 is installed in the grid-connected cabinet, and the power cabinet is installed in the power cabinet. Module 2, a control module 3 is installed in the control cabinet, and a cooling module 7 is installed on the top and bottom of the multi-function cabinet. The cooling module includes an air cooling device 7.1 and a water cooling device 7.2 installed side by side: the grid-connected module includes a main circuit breaker 1.1, Main contactor 1.2 and grid contactor 1.3; power module includes grid side filter unit 2.1, machine side filter unit 2.3, IGBT power unit 2.2 and Crowbar unit (overvoltage protection unit) 2.4, where the IGBT p...

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Abstract

The invention discloses a doubly-fed converter integrated with wind power master control. The doubly-fed converter comprises a multifunctional cabinet, and a grid-connected module, a power module anda control module are arranged in the multifunctional cabinet; and the control module comprises a main control system, a converter interface system and a power distribution unit, the main control system is connected with the converter interface system, the converter interface system is connected with the power module, the power distribution unit is connected with the main control system and the converter interface system, and the grid-connected module is connected with the power module. According to the invention, a main control cabinet for placing a main control system is omitted for the doubly-fed wind generating set; meanwhile, partial functions in the main control system and the doubly-fed converter are integrated and combined, and the electrical design is optimized, so that the unit cost is effectively reduced, the response speed of the doubly-fed converter is increased, the probability of communication line interference is reduced, and the operation stability of the doubly-fed wind generating set is improved; and remote maintenance of a converter program can be realized, and the workload of on-site operation and maintenance is greatly reduced.

Description

technical field [0001] The invention relates to the field of electronic control systems of doubly-fed wind power generating sets, in particular to a doubly-fed converter integrated with wind power main control. Background technique [0002] The electronic control system of doubly-fed wind turbine is mainly composed of main control system, monitoring system, pitch control system and doubly-fed converter. Among them, the main control system is the main body of the fan control system, which realizes the automatic start, automatic direction adjustment, automatic speed regulation, automatic grid connection, automatic decoupling, automatic shutdown of faults, automatic cable unwinding, automatic recording and monitoring of the unit, etc. Control and protection functions. The three main external interface systems of the main control system are the monitoring system, the pitch control system and the double-fed converter. It interfaces with the monitoring system to complete the exch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/01H02B1/30H02B1/56
CPCH02B1/30H02B1/565H02J3/01Y02E40/40
Inventor 林周泉于海舒傅兴忠项峰王杭烽
Owner ZHEJIANG WINDEY
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