EMHEATER DC Chokes/Reactors Product Range

DC Chokes (Reactors)

TCGC offers the following EMHEATER VSD DC Choke/Reactor products:

• EM-RAD2 (3-Phase ~220V)
• EM-RAD3 (3-Phase ~380V)
• EM-RAD5 (3-Phase ~525V)
• EM-RAD6 (3-Phase ~690V)

*Manufactured with Amp ratings according to specific requirement.

*Custom Voltage options and pricing available on request only.

Installation of DC Bus/Link Chokes/Reactors are highly recommended for applications from 250kW and larger (possibly from 90kW depending on circumstances). These units are connected after the input diode in the VSD circuit (rectifier circuits) and are used to smooth the rectified current (improves the input current wave form distortion caused by the capacitor). This then:

• reduces the rectifier damage
• prevents capacitor overheating
• increases the power factor
• suppresses sudden changes in grid voltage (power supply)

*For installations where a DC Choke is required the VSD wiring needs to be reconfigured by the manufacturer. VSDs are thus ordered specifically (not in stock) for these applications.

For more details on these products, please visit: https://www.emheater.co.za/peripherals/

Please visit our Website at www.emheater.co.za

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