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VLT® 12-Pulse Drives | Dew Point

VLT® 12-Pulse Drives

VLT® 12-Pulse Drives

VLT® 12-Pulse Drives

The Danfoss VLT 12-Pulse Drive offers reduced harmonics for demanding industry applications above 250 kW.

The VLT 12-Pulse Drive is a high efficiency variable frequency converter which is built with the same modular design as the popular 6 pulse VLT drives. It is offered with similar drive options and accessories and can be configured according to customer needs.

Together with the needed 30°-phase shifting transformer the solution provides durability and reliability at a low cost.

Under ideal grid conditions the solution eliminates the 5th, 7th, 17th and 19th harmonics and results in a THiD of around 12% at full load.

The needed transformer makes this solution ideal for applications where stepping down from medium voltage is required or where isolation from the grid is needed.

The Danfoss VLT 12-Pulse Drive provides harmonic reduction without adding capacitive or inductive components which often require network analysis to avoid potential system resonance problems.

Specifications

Power range :
250 kW – 1.2 MW (FC 302)
315 kW – 1.4 MW (FC 102/FC 202)

Voltage range:
380-690 Vac 50-60 Hz

Enclosure:
IP21 / NEMA Type 1
IP54 / NEMA Type 12

Harmonic mitigation performance : 12% THD

True Power Factor: >0.98

Displacement Factor: >0.98

PC Software & User Interface:
– Commissioning tool function
– Configuration and installation settings function
– User settings and information function
– Control panel function
– Data logger and event log function
– Network monitoring and measurement function
– Filter load and status function
– Software update function

LCP Regulation:
– UL-fi e. CE marking, cULus
(UL508C) and c-tick (AS/NZS 2064)
– IEEE519 / EN61000-3-xx harmonic mitigation guidelines
– IEEE587/ANSI C62.41/ EN61000-4-5 surge immunity
– EN55011 electromagnetic
compatibility
– EN50178, EN60146 safety/design

Ambient temperature:
-10° C to +45° C, up to 3280 feet above sea level, with relative humidity of 5% – 85% RH, class 3K3 (functions to be maintained
up to 95% RH not condensing)

Power Fuses:
Optional

RFI filtering:
Class A2 RFI; Class A1 RFI optional

Cooling:
Air cooled with primary cooling through back channel

RoHS compliant:
The VLT 12-Pulse Drive is manufactured with respect for the environment and comply with the RoHS directive.

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