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Product Features:
Senlan SB70 seriesfour-quadrant vector control inverter is applicable to potential energy load orsharp slowdown large inertia load. It feeds regenerated energy generated in thebraking process back to grid, enabling two-way flow of energy. Without energyconsumption braking unit and braking resistor, regenerated energy will not beconsumed in the form of heat energy, resulting in greater energy efficiency andmore stable and reliable slowdown. The use of the IGBT PWM rectifier technologyenables optimized SVPWM control algorithm and the power factor close to 1,reducing the harmonic pollution on the grid. This makes it a green inverter.
Applications:
Applicable to potentialenergy load, e.g. downward belt conveyors of mines, pumping units of oilfields, mine hoists and lifting equipment at ports, or high inertia load, e.g.centrifuges, cement pipes, dynamic balancing machine, planing machine, aachinetool spindle and other occasions that require fast stop.
Performance and technical indicators:
| Item | Description |
| Rated voltage, frequency |
3-phase: 380V, 660V, voltage unbalance: 3%
Frequency range: 45-56Hz |
| Rated capacity | 380V class: 11kW-600kW 660V class: 22kW-1,200kW |
| Braking torque | 150% TN |
| Overload capacity | 150% of rated current, 1 minute |
| Command execution channel |
Setting and automatic control via control panel,
setting via control terminal |
| Analog output | 2-channel analog output, with the options of 0/4～20mA or 0/2～10V respectively, programmable |
| Digital input | 3-channel multifunctional digital input |
| Digital output |
2-channel multifunctional collector open-circuit
output; 1-channel multifunctional relay output |
| Communication | Built-in RS485 communication interface, supporting Modbus protocol and USS commands |
| Protection | For overcurrent, overvoltage, undervoltage, input/output phase lack, output short-circuit, overheat, external |
| Application | An elevation below 1,000m, indoors, no exposure to direct sunlight, dust, corrosive gases, combustible gases, oil mist, water vapor, drippings and saline mist |
| Ambient temperature/humidity | -10～+40℃/<90%RH, no dew condensation |
| Storage temperature | -20～+60℃ |
| Vibration | < 5.9m/s2(0.6g) |
| IP rating | IP20 |
| Cooling mode | Forced air cooling with fan control |
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