描述

前級供電系統(tǒng)中不應(yīng)當帶有頻繁啟動負載，比如經(jīng)常使用的電梯，頻繁開啟的空調(diào)等。原因是在這些負載開、關(guān)機時會出現(xiàn)瞬間高低壓，使供電線路上電壓波形失真度過大，造成UPS市電旁路供電與逆變器供電轉(zhuǎn)換控制電路誤動作，進而引起同步控制電路故障。所以在條件許可下，宜將UPS電源盡可置于電網(wǎng)輸入的前端。

主營：本特利，英維思，伍德沃德，?？怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂，ACSO，

力士樂等各大品牌的DCS系統(tǒng)配件，機器人系統(tǒng)配件，大型伺服系統(tǒng)備件。

800 Amp Siemens ITE Sentron CMD63B800 Circuit Breaker

USED Advanced Micro Controls 1741 Resolver Interface

USED Pacific Scientific Model 5445 Indexer/Drive

800 Amp Square D SL800 Sub Feed Lug USED

USED Allen Bradley 2711-T10C1 PanelView 1000 Series D

NEW GE Fanuc IC693CMM301G Genius Communication Module

USED Mannesmann Rexroth VT-HNC100-1-13/?134 HNC100

USED Allen Bradley 1785-L80B/E PLC-5 Processor Module

USED Allen Bradley 2711-T10C1 PanelView 1000 Series D

USED Allen Bradley 2711-T10C1 PanelView 1000 Series C

USED Control Gaging Inc.Model 820 Grinding Monitor

USED GE 2500 A Spectra Bus Duct FJGBAAAZACD2222 Busway

USED Allen Bradley 2711E-T10C6 PanelView 1000e Series D

USED Siemens SHJD69200 Circuit Breaker 200 Amp

USED Xycom XVME-660 VMEbus Pentium III Processor Module

Coolant Sump Cleaner Cimcool Cim Cool Recovery Unit

Cecor Coolant Sump Cleaner Recovery Unit Single Phase

800 Amp Square D Molded Case Circuit Breaker MEC 836LI

800 Amp Square D Molded Case Circuit Breaker MEC 836LI