詳細參數(shù) | |||
---|---|---|---|
品牌 | yaskawa | 型號 | CP-9200SHSVA |
結構形式 | 模塊式 | 安裝方式 | 控制室安裝 |
LD指令處理器 | 硬PLC | 功能 | 機器控制器 |
工作電壓 | 電源組24VDC | 產品認證 | CE |
環(huán)境溫度 | 0°C至60°C | 環(huán)境濕度 | 5至95%,非冷凝 |
加工定制 | 否 |
描述: SVA DI-01 EXIOIF 機器控制器
交付選項:標準、快遞、當天和次日選項可用
CP-9200SHSVA短路保護的常用方法是采用熔斷器或斷路器。這些保護裝置不應受起動電流的影響而誤動作。所以要按熔斷器、斷路器的選擇和整定要求進行。長期過載保護和斷相保護電動機長期超載運行,繞組溫升將超過其允許值,造成絕緣材料變脆、壽命縮短,嚴重時還會使電動機損壞。過載電流越大,達到允許溫升的時間就越短。常用的長期過載保護元件是熱繼電器。熱繼電器不能兼作短路保護,因為發(fā)生短路時,CP-9200SHSVA可能還來不及動作就已對電器設備造成損壞了。因斷相運行而燒壞電動機的臺數(shù),在有些單位竟多達損壞電機總臺數(shù)的80%以上,所以電動機應該有斷相保護的環(huán)節(jié),也就是說要選用帶斷相保護功能的熱繼電器。
The common b of cp-9200shsva short circuit protection is to use fuse or circuit breaker. These protective devices shall not misoperate under the influence of starting current. Therefore, it shall be carried out according to the selection and setting requirements of fuse and circuit breaker. Long term overload protection and open phase protection. If the motor is overloaded for a long time, the winding temperature rise will exceed its allowable value, resulting in brittle insulation materials, shortened service life, and serious damage to the motor. The greater the overload current, the shorter the time to reach the allowable temperature rise. The common long-term overload protection element is thermal relay. The thermal relay cannot also be used as short-circuit protection, because cp-9200shsva may have damaged the electrical equipment before it can act. In some units, the number of motors burned out due to open phase operation is more than 80% of the total number of motors damaged. Therefore, the motor should have open phase protection b, that is, the thermal relay with open phase protection function should be selected.
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