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Home » Soft Starters Knowledge » Soft starter technical specification
Soft starter technical specification
Gozuk HV/MV solid soft starter cabinet is applicable to 6KV/10KV medium and large AC motor soft startup and is widely applied in industrial fields such as metallurgy, petroleum, chemical industry, port operation, mining, construction and electricity power.
| Soft starter Working conditions | |
| Load type | Three-phase HV/MV asynchronous squirrel-cage motor, synchronous motor |
| Voltage range | 6KV and 10KV |
| Rated frequency | 50Hz ± 2Hz |
| General power range | 6.0KV 150KW-12000KW 10KV 200KW-20000KW |
| Control power | 220VAC, supplied by cabinet PT or on spot small bus |
| Cooling method | Natural cooling |
| Environment requirements | Ambient temperature: -15℃-50℃ |
| Relative humidity: 5%-95% | |
| Altitude: at most 2,000m | |
| Locations without metal chips, conductive dusts, corrosive gas and violent vibration | |
| Soft starter Parameters setting | |
| Start mode | Voltage ramp start |
| Constant current start | |
| Kick-up start | |
| Start period | (1-120) s, adjustable |
| Start current | (1.0 -5.0) Ie, adjustable |
| Initial voltage | (30-100) % Ue, adjustable |
| Kick-up impulse period | (1-5) s, adjustable |
| Shutdown mode | Direct shutdown/soft shutdown |
| Soft shutdown period | (1-120) s, adjustable |
| Soft starter Protective functions | |
| Underload protection | Setting range: (1-99) % Ie |
| Actuation time: (1-250) s | |
| Overload protection | Setting range: (100-400) % Ie (effective when bypass is running) |
| Actuation time: (1-250) s | |
| Undervoltage protection | Setting range: (1-99) % Ue |
| Actuation time: (1-250) s | |
| Overvoltage protection | Setting range: (100-180) % Ue |
| Actuation time: (1-250) s | |
| Open-phase protection | Actuation time: (1-250) s |
| Phase-sequence protection | Actuation time: 0 s |
| Start-up over-frequency protection | Setting range: startup or shutdown (1-99) times or non protection per hour |
| Actuation time: 0 s | |
| Three-phase current unbalanced protection | Setting range: (1-100) % |
| Actuation time: (1-250) s | |
| Bypass Abnormality Protection after startup | Actuation time: 2 s |
| Thyristor fault protection | Actuation time: 0 s |
| Locked rotor protection | Setting range: (400-800) % Ie |
| Actuation time: 0 s | |
| Communication interface | |
| Communication interface | RS-485 |
| Communication protocol (optional) | Modbus RTU, Profibus DP |
| Operation interface | |
| User-friendly man-machine interface | 7-inch colored touch screen display |
| Display content in touch screen | Display whether system working voltage value and curve, working current value and curve, communication and working status are normal |
| Memory function | |
| Historic fault record | Record most recent five fault messages, including fault type and system working state when fault occurs |
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