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High Voltage Soft Start Module

High Voltage Soft Start Module
Product Code : 01
Brand Name : BIG PAWER ELECTRCIAL TECHNOLOGY
Product Description

High Voltage Soft Start Module

Product Overview

MSS high-voltage modular soft starter, integrated thyristor components, trigger control system and bypass vacuum switch, is the most compact structure with independent soft-start function.

MSS can control output voltage by controlling the triggering angle of the thyristor to meet the different current and voltage requirements during motor starting. Besides, according to pre-set starting curve, MSS increases motor terminal voltage to achieve smooth start, which can reduce the electrical and mechanical impact from motor to gird, to motor body and to connected equipments. When motor reaches normal speed, the bypass vacuum switch is turned on and then motor start finishes. Later, MSS continues monitors motor and provides corresponding fault protection and soft stop.

Mss structure is standard with similar breaker appearance to match with KYN 28 cabinet, which improves traditional switch cabinet into cabinet with switch and soft start function. It is meets users requirements to integrate running cabinet and soft start cabinet together.

Application

MSS modular soft starter is widely used in power system, machinery manufacturing, cement, steel, petroleum & chemical industry, to achieve soft start, control, protection, and soft stop for squirrel cage asynchronous motor and asynchronous starting synchronous motor.

Working Environment

  • Upper limit < 50°C (<35°C for average daily temperature), lower limit > -15°C;
  • Humidity: < 95%; Altitude: <200om;
  • Indoor installation, no severe vibration and shock, no fire and explosion hazard;
  • Free of conductive dust and corrosive gases

Unique Features

Standard module:

  • Directly pull out and insert the standard KYN28 cabinet breaker room or Lower compartment

 Small Size : combined start cabinet and switch cabinet together

Easy operation:

  • Using man-machine interface controls the equipment, operation follows instructions

Safe and reliable

  • Self-patented technology to solve isolation problem between radiators; module adopts Solid sealed pole type structure, main circuit is reliably isolated; interlocking device meets “Five Prevention" requirements.

Free maintenance: Fully enclosed modular construction without maintenance 

Technical Specifications 

Item

Parameters

Rated Voltage

3.3~11kV motor (according to specific requirement)

Bypass rated current

630A

Motor Current

0~100A

Motor Power

<11kV/3150kW, 6.6kV/1600kW, other module according to motor current

Motor Type

Three-phase squirrel-cage motor or winding motor, asynchronous start synchronous motor

Operating frequency

50HZ/60HZ+2HZ

Phase Sequence

Can work in any phase sequence

Control Power

AC 220V+10%

Operation panel

480x272 touch screen

Insulation voltage

AC 35000V/1 min.

Cooling

Forced air cooling

Start time

When 25 °C and rated current < 100A, each hour start time < 4, min. time interval: 10 minutes

Protection function

Start protection: over-current protection, over-voltage protection, under-voltage protection, imbalance current protection, start over-time protection, bypass vacuum switch closing fault detection

Operation protection: over-current protection, over-voltage protection, under-voltage protection, imbalance current protection, bypass vacuum switch closing fault detection; (optional, usually operation protection exit during running

Start Method

Ramp voltage start, constant time start, current limit start, soft stop start

Soft start time

0~100S, adjustable

Soft stop time

0~60S, adjustable

Output voltage

20%~100% adjustable (by changing the trigger time)

Current limit

IIe~5Ie, adjustable

Interface

RS-485, default supports Modbus; Profibus can choose

Temperature

Working: -15°C ~+50°C, storage: -25°C ~+70°C

Humidity

<95%, no condensation

Altitude

<2000m

Product Selection Table

Table 1 MSS module selection

Modul

Rated voltage kV

Suitable motor power kW

MSS1-500

3.3~11

500

MSS1-710

3.3~11

710

MSS1-1000

3.3~11

1000

MSS1-1250

6.6~11

1250

MSS1-1600

6.6~11

1600

MSS1-2000

6.6~11

2000

MSS1-2500

11

2500

MSS1-3150

11

3150

Structure Size

Table 2 control display installation (installed in the cabinet door)

Item

Specification

Appearance size

139.8*97.8*22.2mm L*W*H

Hole size for installation

129.3*87.3mm L*W

Depth for installation

22.7mmthe maximum depth, when installing the connector

Accessories

Waterproof pad, card pieces


BIG PAWER ELECTRCIAL TECHNOLOGY XIANGYANG CO., LTD.

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