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公司名稱:廈門興銳達(dá)自動化設(shè)備有限公司
本公司專業(yè)銷售大型進(jìn)口各種品牌DCS系統(tǒng)模塊備件:
ABB Advant OCS,ABB MOD 30/MODCELL,ABB MOD 300,ABB Bailey INFI 90,
ABB Procontic,ABB Procontrol,
H&B Contronic,Moore APACS,Moore Panel Controllers,Rosemount RS-3,
Siemens Iskamatic,Siemens Simatic S5,Siemens Simatic C1,
Yokogawa Centum XL,Yokogawa microXL,
FOXBORO I/A,GE FANUC,
Honeywell QCS,Honeywell TDC系列,Honeywell S9000,
【誠信經(jīng)營】【質(zhì)量可靠】【進(jìn)口原裝】【拆包防偽】
【超大庫存】【當(dāng)天付款】【順豐速運(yùn)】【歡迎搶購】
可是,選用該辦法有一些必要的前提條件,首要,體系不能頻頻進(jìn)行啟/停,否則會構(gòu)成變頻器直流電路毛病。其次,提升機(jī)、電梯等下放重物的工況不適宜選用。再次,體系降速時刻不能過短,即降速不能過快,否則作業(yè)點(diǎn)將進(jìn)入第二象限發(fā)作再生制動進(jìn)程,致使電機(jī)過熱。
3.結(jié)束語
理論上的剖析能夠證實,該規(guī)劃思路是徹底合理的。實踐中,變頻器選用直流制動并配適宜當(dāng)?shù)闹绷髦苿訒r刻,開始頻率和制動準(zhǔn)位所發(fā)作的電機(jī)剎車作用也對比明顯。
挑選精確的變頻器制動電阻是確保制動作用并防止設(shè)備損壞的必要條件:
首要要核算制動功率并繪制精確的制動曲線;再依據(jù)制動曲線斷定制動周期及制動功率;依據(jù)所斷定的制動功率及制動周期,一起參閱電壓、阻值等條件挑選適宜的制動電阻;所選制動電阻阻值不能小于選型手冊中規(guī)則的數(shù)值,否則將直接構(gòu)成變頻器損壞!這在電阻選型時應(yīng)予以闡明。
廈門興銳達(dá)自動化設(shè)備有限公司
聯(lián)系人:劉錦玲 銷售經(jīng)理
熱 線:0592-5361112
手 機(jī):15359273791
QQ: 2859249356
EMAIL:2859249356@qq.com
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