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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 |