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Low Voltage Super Power Four-quadrant Inverter

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.

中压变频器690V.jpg

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 0/420mA or 0/210V 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