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VCHRP-TM – an universal VFD for AC industrial loads up to 17,500 kVA with 3 kV, 6 kV and 10 kV nominal output voltage. Due to high quality of development and production, VCHRP-TM can operate with the already installed and the new asynchronous or synchro- nous motors.
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fax +7(8352) 62-38-74

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Soft starter for DC motors DC UPPDPT and UPPDPT-4 series

DC-current motor soft-start device (UPP-DPT) is designed for replacement of resistor start systems of DC-current motors, that drive machinery which do not require speed control, for instance emergency turbine oil pump.

Soft-start UPP-DPT device can be used when motor start from a low-power DC-current mains is needed (ex. storage battery).

Устройство плавного пуска электродвигателей постоянного тока УППДПТ
UPPDPT 
Устройство плавного пуска электродвигателей постоянного тока УППДПТ-4
UPPDPT -4

After the command to start the motor the UPP-DPT device functions as a voltage regulator, providing motor armature current limitation at a preset level. This current level exceeds the current, determined by the motor axis load up until the speed rate reaches the nominal value.

On reaching this rate, regulation of the voltage driven to the motor armature ends, and the motor follows a natural curve, corresponding to full voltage, rating voltage of the mains supply (DC mains or rechargeable battery).

In order to eliminate ineffective energy waste and motor excitation winding overheat the power supply is driven to the excitation winding at the arrival moment of the command to start the motor. Voltage of the excitation winding supply is removed right after the motor braking.

Connection to the mains is performed by outer contactors. The contactor is not included in the smooth-start device structure, but it may be delivered in the scope if specially ordered.

In UPPDPT-4 further provides isolated digital outputs "Ready" and "Start complete".
 

Technical characteristics

Parameters UPPDPT UPPDPT -4
 Nominal current, A
100
50
 Maximum current, A
150
80
 Nominal voltage, V
220
 Operation mode according to GOST 188-74 S1 S1 (continuous mode)
 Protection class
I P00
I P20
 Ambient temperature, C +5...40 С for mod. UXL4
 Protection against external short circuits

Overall dimensions:

Type

Dimensions, mm Mass, kg
W H D
UPPDPT
444
300
220
15
UPPDPT -4
160
350
116
3

The device is constructionally designed as an attached unit and produced in two types: with / without a protective cover.

The device of the open type is intended for building in module cabinets for engineering machinery control.

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