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CN101826734A - 能将电池负载电能回馈电网的系统 - Google Patents

能将电池负载电能回馈电网的系统 Download PDF

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Publication number
CN101826734A
CN101826734A CN201010163734A CN201010163734A CN101826734A CN 101826734 A CN101826734 A CN 101826734A CN 201010163734 A CN201010163734 A CN 201010163734A CN 201010163734 A CN201010163734 A CN 201010163734A CN 101826734 A CN101826734 A CN 101826734A
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China
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battery
microprocessor controls
module
electric energy
pwm
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吴俊峰
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Suzhou Fubake new energy Co. Ltd.
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YUANTAI AUTOMATION TECHNOLOGY (SUZHOU) Co Ltd
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Abstract

本发明公开了一种能将交流设备负载电能回馈电网的系统，其特征在于：包括一电池，所述电池连接一微控制器控制模拟电池放电特性DC/DC变换模块，所述微控制器控制模拟电池放电特性DC/DC变换模块连接一微控制器控制PWM调制有源并网逆变模块，所述微控制器控制PWM调制有源并网逆变模块连接市电网络；所述微控制器控制PWM调制有源并网逆变模块与市电网络之间还连接有一市电网络相位侦测模块。本发明的该系统能从交流输出设备拉载的电能高效回馈回市电网络。

Description

能将电池负载电能回馈电网的系统
技术领域
本发明涉及一种能将电池负载电能回馈电网的系统。
背景技术
目前的电池生产过程中必须经过化成，放电，充电等过程，整个过程需要经过多次放电多次充电才能完成，期间在放电过程中，利用电阻，水槽形式放电，浪费能源增大生产成本，为此各国电池生产行业，为能源回收利用问题，而做出了各种设计方案，但到现在还没有一套成功的设计系统。
发明内容
为克服现有技术中的不足，本发明的目的在于提供一种能将电池负载电能回馈电网的系统，该系统能够模拟电池放电特性并将电池放电电能高效回馈回市电网络。
为解决上述技术问题，实现上述技术效果，本发明采用了如下技术方案：
一种能将交流设备负载电能回馈电网的系统，其包括一电池，所述电池连接一微控制器控制模拟电池放电特性DC/DC变换模块，所述微控制器控制模拟电池放电特性DC/DC变换模块连接一微控制器控制PWM调制有源并网逆变模块，所述微控制器控制PWM调制有源并网逆变模块连接市电网络；所述微控制器控制PWM调制有源并网逆变模块与市电网络之间还连接有一市电网络相位侦测模块。
进一步的，所述微控制器控制模拟电池放电特性DC/DC变换模块通过微控制器控制将电池输出的直流电变换为并网逆变所需幅度的直流电，并使直流电流幅值跟踪微控制器从人机介面或计算机通信得来的模拟放电特性曲线波形；并保护电池电压不能低于电池的最小电压，电池的放电容量不能大于电池的标称容量；放电电流不得大于电池的最大允许电流。
进一步的，所述微控制器控制模拟电池放电特性DC/DC变换模块通过PWM控制隔离升压或非隔离BOOST升压到能满足后级逆变所需调制比的直流电压准位；微控制器根据目标电压与实测电压的差值控制PWM波的占空比驱动功率开关以实现闭环电压负反馈。
本发明的有益效果是：本发明的系统能够模拟电池放电特性(如恒流、阶梯升降、线性升降等)并将电池放电电能高效回馈回市电网络，从而又能实现节能的功效。
以下结合附图和具体实施方式对本发明做进一步详细的说明。
附图说明
图1是本发明的系统原理框图。
图中标号说明：1.电池，2.微控制器控制模拟电池放电特性DC/DC变换模块，3.微控制器控制PWM调制有源并网逆变模块，4.市电网络，5.市电网络相位侦测模块。
具体实施方式
请参见图1所示，一种能将交流设备负载电能回馈电网的系统，其包括一电池1，所述电池1连接一微控制器控制模拟电池放电特性DC/DC变换模块2，所述微控制器控制模拟电池放电特性DC/DC变换模块2连接一微控制器控制PWM调制有源并网逆变模块3，所述微控制器控制PWM调制有源并网逆变模块3连接市电网络4；所述微控制器控制PWM调制有源并网逆变模块3与市电网络4之间还连接有一市电网络相位侦测模块5。
进一步的，所述微控制器控制模拟电池放电特性DC/DC变换模块2通过微控制器控制将电池输出的直流电变换为并网逆变所需幅度的直流电，并使直流电流幅值跟踪微控制器从人机介面或计算机通信得来的模拟放电特性曲线波形；并保护电池电压不能低于电池的最小电压，电池的放电容量不能大于电池的标称容量；放电电流不得大于电池的最大允许电流。
进一步的，所述微控制器控制模拟电池放电特性DC/DC变换模块2通过PWM控制隔离升压或非隔离BOOST升压到能满足后级逆变所需调制比的直流电压准位；微控制器根据目标电压与实测电压的差值控制PWM波的占空比驱动功率开关以实现闭环电压负反馈。
进一步的，所述微控制器控制PWM调制有源并网逆变模块3通过微控制器控制、将前级DC/DC变换来的直流电，通过PWM四象限脉宽变流器技术、瞬时电流滞环控制技术或倍频SPWM技术变换为电流相位和侦测到的市电电网电压相反，功率因数为-1的交流电并入电网。

Claims (3)

1.一种能将交流设备负载电能回馈电网的系统，其特征在于：包括一电池(1)，所述电池(1)连接一微控制器控制模拟电池放电特性DC/DC变换模块(2)，所述微控制器控制模拟电池放电特性DC/DC变换模块(2)连接一微控制器控制PWM调制有源并网逆变模块(3)，所述微控制器控制PWM调制有源并网逆变模块(3)连接市电网络(4)；所述微控制器控制PWM调制有源并网逆变模块(3)与市电网络(4)之间还连接有一市电网络相位侦测模块(5)。
2.根据权利要求1所述的能将交流设备负载电能回馈电网的系统，其特征在于：所述微控制器控制模拟电池放电特性DC/DC变换模块(2)通过微控制器控制将电池输出的直流电变换为并网逆变所需幅度的直流电，并使直流电流幅值跟踪微控制器从人机介面或计算机通信得来的模拟放电特性曲线波形；并保护电池电压不能低于电池的最小电压，电池的放电容量不能大于电池的标称容量；放电电流不得大于电池的最大允许电流。
3.根据权利要求2所述的能将交流设备负载电能回馈电网的系统，其特征在于：所述微控制器控制模拟电池放电特性DC/DC变换模块(2)通过PWM控制隔离升压或非隔离BOOST升压到能满足后级逆变所需调制比的直流电压准位；微控制器根据目标电压与实测电压的差值控制PWM波的占空比驱动功率开关以实现闭环电压负反馈。
CN201010163734A 2010-05-06 2010-05-06 能将电池负载电能回馈电网的系统 Pending CN101826734A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102841317A (zh) * 2011-06-23 2012-12-26 康舒科技股份有限公司 电池模拟装置
CN109541472A (zh) * 2018-11-28 2019-03-29 江苏金派克新能源有限公司 锂电池循环充放电再利用系统

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102841317A (zh) * 2011-06-23 2012-12-26 康舒科技股份有限公司 电池模拟装置
CN102841317B (zh) * 2011-06-23 2015-04-08 康舒科技股份有限公司 电池模拟装置
CN109541472A (zh) * 2018-11-28 2019-03-29 江苏金派克新能源有限公司 锂电池循环充放电再利用系统

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