| SCR软启动技术在变频空调中的应用 |
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| 引用本文： | 方小斌,孙丰涛.SCR软启动技术在变频空调中的应用[J].制冷与空调(北京),2013(11):16-20. |
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| 作者姓名： | 方小斌 孙丰涛 |
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| 作者单位： | 珠海格力电器股份有限公司 |
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| 摘 要： | 通过分析SCR软启动技术的工作原理,提出一种新的控制电路及控制方法,给出由专用的双核MCU组成的低功耗系统的硬件设计原理和软件设计方法。测试结果表明,采用差分电路、基准零点电路和移相PWM技术后,变频空调的启动电流大大减小,启动性能提高,保证变频空调的可靠性。
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| 关 键 词： | SCR软启动 双核MCU 基准零点 移相PWM |
Application of SCR soft-start technology in variable frequency air-conditioner |
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| Fang Xiaobin Sun Fengtao.Application of SCR soft-start technology in variable frequency air-conditioner[J].Refrigeration and Air-conditioning,2013(11):16-20. |
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| Authors: | Fang Xiaobin Sun Fengtao |
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| Affiliation: | Fang Xiaobin Sun Fengtao (Gree Electric Appliances, Inc. of Zhuhai) |
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| Abstract: | A new design of control circuit ＆control method is proposed after analyzing the working principle of SCR soft-start technology. A low power consumption system, which consists of a specific dual core MCU,is designed including hardware and software. The testing results show that the startup current is reduced and startup performance is en- hanced evidently in a variable frequency air-conditioning system when using differential circuit,datum zero circuit and phase-shift PWM technology,which ensures the reliability of the system. |
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| Keywords: | SCR soft-start dual core MCU datum zero phase-shift PWM |
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