Power supply in-out controller

A technology of output controller and power input, which is applied in current collectors, photovoltaic power generation, electric vehicles, etc., and can solve problems such as low system efficiency, effective power attenuation, and low isolation

Inactive Publication Date: 2007-08-01
夏秀英 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] 1. Low system efficiency
The silicon element is connected in series with the main load channel, and its approximately constant voltage drop characteristic will attenuate the effective power
[0010] 2. Low degree of isolation
Difficult to meet subsequent more complex control requirements

Method used

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0036] The three-phase alternating current A, B, and C generated by the wind turbine are first input to the three-phase alternating current input rectification parallel isolation circuit composed of silicon components and rectifier diodes. The principle is shown in Figure 4, Figure 5, and Figure 6, which are single-phase AC input rectification and isolation. Accompanying drawing 7 is specific embodiment, D37, D38, D39 negative electrode output provides rectified direct current energy to storage battery BT7 through crystal switch transistor Q3, D40, D41, D42 negative electrode output provides rectified DC electric energy to auxiliary load FZ7 through Q1 crystal switch transistor For direct current energy, D43, D44, and D45 are shared rectifier devices, and the positive pole is the common ground terminal of the system. The rectifier diode in the figure o...

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PUM

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Abstract

This invention discloses a power input / output control device and control method mainly used in off-net wind force, photovoltaic solar power station input control and voltage control, current limitation to various loads, composed of a rectifier, divider D(D1-DN), oad control switch k(ZK, FK1-FKN) and system controller. First, D divides the input energy to primary and secondary parts with parallel separation method, then system controller U operates load control switch k to control distribution of energy output. This device distributes the input power energy properly among multiload in the way of overlap complement.

Description

1. Technical field [0001] The invention relates to an electronic circuit, in particular to a power input / output control device. The power supply input / output controller and method are used for input control of off-grid wind power and photovoltaic solar power stations, and functions such as voltage control and current limitation for various loads. 2. Technical Background [0002] Off-grid solar power plants generally use battery packs to store electrical energy. If the electric energy generated by the power station is not used or stored in time, it will not only cause waste, but also may affect the stable and reliable operation of the system. The electric energy output by the power station should first be supplied to the main load or stored (the main load refers to the main target load and energy storage battery determined during system design). When the electric energy generated by the power station is beyond the use of the main load, this part of the energy should be util...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00H02J7/35
CPCY02E10/566Y02E10/56
Inventor 夏秀英
Owner 夏秀英
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