Explosion-proof frequency converter is mainly used in coal mine underground with coal dust, gas and other dangerous explosive environment, used to solve the heavy load equipment start, soft start, soft stop and frequency conversion speed regulation, especially suitable for belt conveyor, scraper, emulsion pumps and other AC asynchronous motor or AC low-speed permanent magnet synchronous motor load.

Product Features

Topology: two-level or three-level topology design

Two or four quadrant options: two or four quadrant operation mode

Heat dissipation: heat pipe self-cooling, heat pipe air-cooled or water-cooled cooling methods.

Multi-machine linkage: with automatic power balancing function, suitable for multi-machine load dragging applications, support up to 8 machine linkage.

Operating conditions

0℃～+40℃

Ambient air temperature

≤95% (no water droplet condensation)

Vibration less than 5.9m/s² (0.6g)

≤1.5KM

Altitude

Specification

Rated voltage: 660V/1140V

Rated power: 110kW-1200kW

Equipment size (WxDxH): 1570x1100x1180mm (≤500kW)

1935x1155x1250mm (>500kW)

Equipment weight: 1400 kg (≤500kW)

2400kg (>500kW)