YVF3-355~450系列低壓大功率變頻調速三相異步電動機
YVF3-355~450 Series Variable Frequency Medium Size Three Phase Asynchronous Motor
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概述 |
Summary |
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機座號：H355~H450 |
Frame Size: H355~H450 |
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額定功率：250~900kW |
Rated Power: 250~900kW |
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極數(shù)：4~8極 |
Poles: 4p,6p,8p |
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防護等級：IP54 |
Protection Degree: IP54 |
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絕緣等級：F |
Insulation Class: F |
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額定電壓：380V、660V |
Rated Voltage: 380V、660V |
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變頻范圍：恒轉矩：25~50Hz |
Frequency range: constant torque: 25~50Hz |
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恒功率：4p：50~75Hz |
constant power: 4p: 50~75Hz |
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6~8p：50~100Hz |
6~8p: 50~100Hz |
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外形及安裝尺寸同Y3低壓大功率電機 |
Mounting dimensions are same as Y3 big power series |
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因獨立風機電機的長度增加ΔL |
Motor length increase by ΔL because of cool fan |
結構特點 Structural characteristics
YVF3 系列電動機采用高強度鑄鐵結構，具有可靠性高、調速范圍寬、精度高等特點，裝有獨立的冷卻風機，保證電機在不同轉速下均有良好的冷卻效果。
The Y2VF series motors with high strengh cast iron structure, have the characteristics of high reliability, wide speed range, high precision. The Y2VP series motors have independent cooling fan to ensure good cooling effect under different speed.
