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Home Product MV Motor & Drive MV Soft Starter

MV Motor & DriveMV Soft Starter

  • IEC 62271, IEC 61800, IEEE 519, NEMA

  • ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA

  • Seismic design, ETGI-1.020, IEEE Std 693, NCh2369

  • Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1

  • High altitude correction per IEC 62271 & IEEE C37, ~ 5000m

  • Smooth Start Technology without Impact, Flexible Control of Motor Start/Stop

  • Rate voltage: 6-13.8kV (-15% to +10%)

  • Power range: 4000kW-10000kW (6kV) / 5000kW-50000kW (10kV)

  • Quantity of thyristors: 24 SCRs; 30 SCRs; 42 SCRs (model dependent)

  • Control supply voltage: 110V AC/DC or 220V AC/DC, 2000VA (customer supply)

  • Overload capacity: 400% full-load current of the motor / 60s; 500% full-load current of the motor / 30s

  • Note: Bypass contactor is optional and needs to be specified


Typical Specification

MV Soft Starter

Scope


Main voltage

3 phase, AC 2.3kV/3kV/3.3kV/4.16kV/6kV/6.6kV/10kV/11kV/13.8kV (-15% to +10%)

Power range

100kW – 50000kW

Overload capacity

400% full-load current of the motor/60s

500% full-load current of the motor/30s

Frequency

50Hz/60Hz ± 2Hz (customised)

Environmental


Applicable place

Indoor, non-explosive or corrosive gas, low dust

Ambient operating temperature

0°C - 40°C (optional - 20°C to 0°C with heaters)

Humidity

5% - 95%, non-condensing

Altitude

< 2000m

Starting Data


Start current

< 4 rated current of motor (adjustable)

Start time

60s (adjustable)

Start times

6 times/hour (20°C)

Control


Control supply voltage

110V AC/DC or 220V AC/DC, 2000VA (customer supply)

Power circuit

18 thyristors, 24 thyristors, 30 thyristors, 36 thyristors, 42 thyristors (model dependent)

Communication protocol

Modbus RTU, Profibus (option), Ethernet (option)

Communication interface

RS-485

Event history

It can display continuous recording 100 recent events of all kinds of action,

such as start, stop, alarm, trip, external fault, etc.

LCD display

3.5"

Cooling

Natural cooling

Ingress protection of enclosure

IP4X

Painting

RAL7035 (customised)

Standards



The MV Soft Starter is fully EU Compliant

IEC EN61800-3: 2004

IEC EN61800-5-1: 2007

Protection Parameter


Over-current protection

Over-current alarm and trip setting range: 100 – 300% of full-load current

Over-current trip time: 1 - 20 seconds

Anti time-limit function

Under-current protection

Under-current alarm and trip setting range: 10 - 90% of full-load current

Over-current trip time: 1 - 60 seconds

Over-voltage protection

Over-voltage alarm and trip setting range: 100 - 150% of full-load current

Over-current trip time: 0.1 - 60 seconds

Under-voltage protection

Under-voltage alarm and trip setting range: 5 - 90% of full-load current

Over-current trip time: 0.1 - 60 seconds

Motor short-circuit protection

Over-current trip setting range: 300 – 800% of full-load current

Short-current trip time: 0 - 3 seconds

Motor locked-rotor protection

Over-current trip setting range: 300 – 1000% of full-load current

Locked- rotor trip time: 1 - 10 seconds

Phase unbalanced protection

Phase unbalance alarm and trip setting range: 5 - 30% of optional 2 phases unbalance alarm and trip

setting time: 1 - 20 seconds

Load phase-loss protection

Trip value: 10 – 90% FLA

Trip time: 1 – 60 seconds

Power factor protection

Alarm and trip setting range: 0.1 – 1.0

Alarm and trip setting time: 1 – 20 seconds

Starting overtime protection

Starting time setting range: 1 – 60 seconds

Start interval protection

Setting range: 1 – 6 times

Interval of each task: 0 – 60 minutes