《国际电子商情》数字版2010年8月刊 - (Page 42)

封面故事太阳能逆变器是并网发电关键，合肥阳光冒尖逆变器间的快速、平滑切终与电网保持同步；二是检测。时，会带来诸多技术挑战。换，需要解决以下几个问切换开关装置安全可靠；三针对这些问题，张明峰张明峰表示，要实现电网与题：一是逆变器的输出始是切换条件的快速和准确的认为，基于现有的半导体芯片技术，可以采用高性能的 MCU或DSC芯片来进行控制，使用软件锁相技术来同步电网与逆变器的输出，快速和高精度的片内ADC实时检测并网电压和电流，并根据检测结果智能地判断切换条件；此外，切换开关装置可以采用电子开关(晶闸管) 或电磁接触开关(继电器或接触器)来实现。 » 上接41页 Junior ad 157mm x 220mm 太阳能逆变器供应商近年来，太阳能逆变器厂商数量增长很快，已成为兵家必争之地。知名的供应商基本集中在起步较早的欧美日地区，例如美国的Power-one、Emerson，加拿大的Xantrex，德国的 SMA、KACO，意大利的 Frouis、日本的Sanyo和 Mitsubishi。此外，近几年来中国本土太阳能逆变器厂商也获得了超快速发展，表现不错。张明峰强调， “中国本土的龙头供应商合肥阳光产品最全，是中国企业市场占有率最大的一家。” 不过，由于市场启动时间较晚，因此本土供应商在技术上与国外一流厂商存在一定水平差距。如高频逆变器技术，国内产品仅能在下接46页 » 42 国际电子商情 | 2010年8月 | www.esmchina.com http://www.national.com/LED http://www.national.com/support http://www.ceacsz.com.cn http://www.esmchina.com

Table of Contents for the Digital Edition of 《国际电子商情》数字版2010年8月刊

STC MCU Co Ltd
Digi-Key Corporation
STC MCU Co Ltd
STC MCU Co Ltd
STC MCU Co Ltd
Shanghai Yachuang Electronics Co Ltd
Zhejiang Jiakang Electronic Co Ltd
Texas Instruments HK Ltd
ZLG-MCU Development Co Ltd
Advanced Power Electronics Corp
Analog Devices
Shanghai Keter Polymer Material Co Ltd
A-Bright Industrial Co Ltd
DongGuan ShiLong HuaTong Electronic Co Ltd
National Semiconductor Hong Kong Ltd
SyncMOS Technologies Inc
SinoHub Inc
Excel Cell Electronic Co Ltd
Mitsumi Electric Co Ltd
Mitsumi Electric Co Ltd
Shenzhen Hi-Hone Electronics Co Ltd
Hong Kong Baite (Group) Electronic Co Ltd
BYD Company Limited
BYD Company Limited
Axelite Technology (Shenzhen) Co Ltd
International Rectifier
Burnon International Limited
Micrel Semiconductor
Jiangsu Skysoon Communication Co Ltd
Richardson Electronics
China Electronics Appliance Shenzhen Co Ltd
National Semiconductor Hong Kong Ltd
Conquer Electronics Co Ltd
Renesas Electronics
Wuhan P&S Information Technology Co Ltd
Intersil Corporation
Honestar Technologies Co Ltd
Cognex Asia Inc Shanghai Rep Office
Fuzetec Technology Co Ltd
Lampek Enterprise Development (HK) Limited
Chiphomer Technology (Shanghai) Limited
Shenzhen Mornsun Electronics Co Ltd
Xiamen Ningly Electronics Co Ltd
Digi-Key Corporation
OTAX
CviLux Corporation
Powertek Group Co Limited
Mueller Electric (Shanghai) Ltd
Xiamen Letdo Electron Co Ltd
Hong Kong Trade Development Council
BCD Semiconductor Manufacturing Limited
Emirates Sky Cargo
Fengbao Electronic Technology (Shanghai) Co Ltd
Innostor Technology Corporation
Yeebo LCD Ltd
Eyang Technology Development Co Ltd
Nanjing Shiheng Electronics Co Ltd
LPKF (Tianjin) Co Ltd
Nanjing AH Electronic Science & Technology Co Ltd
Up Teks Co Ltd
Beijing Rowa Beite Electronic Co Ltd
Honghu City Languang Electronics Co Ltd
Shenzhen Runsheng Electronics Co Ltd
Trantek Electronics Co Ltd
Beijing Times Creation Electronic Co Ltd
EnEcomponents.com
Wealth Metal Factory Ltd
Weltronics Imaging Technology Ltd
GangYuan Electric Co Ltd,
Shenzhen NanDao Electromachinery Co.,Ltd
Pro Systems
Qualtek Electronics Ltd
Mouser Electronics
Protronic Asia Limited
Walter Electronic Co Ltd
Beijing New Chuang Si Fang Electronic Co Ltd
Shenzhen Jiaweiyi Technology Limited
My Group (Asia) Limited
Asiacom Technology (HK) Ltd
Sino-Tech International Holdings Ltd
Sino-Tech International Holdings Ltd
Shenzhen Qiankun Industrial & Trading Development Co Ltd

《国际电子商情》数字版2010年8月刊