Advanced Electric Systems Ltd.                                                                                        ​​languages:  

Advanced Electric Systems LLC.                                                                                        ​​languages:  

Ukraine, Kharkiv, Rzhevsky lane 12, tel.: +38(067)2629177

Medium voltage frequency inverters, medium voltage soft starters, dry-type transformers, dry-type reactors

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UNT-HVSS series 2.6 kV, 3 kV, 3.3 kV, 4.6 kV, 6 kV, 6.6 kV, 10 kV medium voltage soft starters

     UNT-HVSS series 2.3 kV, 3 kV, 3.3 kV, 4.6 kV, 6 kV, 6.6 kV, 10 kV medium voltage soft starters  designed for soft start of high-voltage induction motors and synchronous motors can be used in such areas as metallurgy, petroleum, chemical industry, mining, and power generation. Soft starter can work with such mechanisms as fans, pumps, crushers, compressors, conveyors and others.

Main technical specification of medium voltage soft starter mentioned in the table below.

Working conditions

Load type

Three-phase HV/MV asynchronous squirrel-cage motor, synchronous motor

Voltage range

6 kV; 10 kV

Rate frequency

50Hz ± 2Hz

General power range

6 kV        150 kW-12000 kW

10 kV         200 kW-20000 kW

Control power

220VAC, supplied by cabinet PT or on spot small bus

Cooling method

natural air cooling

Environment requirements

Ambient temperature: -15℃-50℃

Relative humidity: 5%-95%

Altitude: up to 2000 m

Locations without metal chips, conductive dusts, corrosive

Setting parameters

Startup mode

Voltage ramp start

Constant current start

Kick-up start

Startup period

(1-120) s, adjustable

Startup current

(1.0 -5.0) Ie, adjustable

Initial voltage

(30-100) % Ue, adjustable

Kick-up impulse period

(1-5) s, adjustable

Shutdown mode

Direct shutdown/soft shutdown

Soft shutdown period

(1-120) s, adjustable

Protection functions

Underload protection

Setting range: (1-99) % Irate

Actuation time: (1-250) s

Overload protection

Setting range: (100-400) % Ie (effective when bypass is running)

Actuation time: (1-250) s

Undervoltage protection

Setting range: (1-99) % Ue

Actuation time: (1-250) s

Overvoltage protection

Setting range: (100-180) % Ue

Actuation time: (1-250) s

Open-phase protection

Actuation time: (1-250) s

Phase-sequence protection

Actuation time: 0 s

Startup overfrequency protectionrts

Setting range: startup or shutdown (1-99) times or non protection per hour

Actuation time: 0 s

Three-phase current unbalanced protection

Setting range: (1-100) %

Actuation time: (1-250) s

 Bypass abnormality protection after startup

Actuation time: 2 s

Thyristor fault protection

Actuation time: 0 s

Locked rotor protection

Setting range: (400-800) % Ie

Actuation time: 0 s

Communication interface

Communication interface

RS-485

Communication protocol (optional)

Modbus RTU, Profibus DP

Operation interface

User-friendly man-machine interface

7-inch colored touch screen display

Display content in touch screen

Display whether system working voltage value and curve, working current value and curve, communication and working status are normal

Memory function

Historic fault record

Record most recent five fault messages, including fault type and system working state when fault occurs

 
Selection Table of Motor Rated Power (rated power≤2000KW)
 

Soft starter

Rated voltage

Rated current

Output power

Model

(kV)

(A)

(KW)

UNT-HVSS-BZ-F-15

10

15

200

UNT-HVSS-BZ-F-40

10

40

500

UNT-HVSS-BZ-F-60

10

60

800

UNT-HVSS-BZ-F-75

10

75

1000

UNT-HVSS-BZ-F-85

10

85

1200

UNT-HVSS-BZ-F-105

10

105

1500

UNT-HVSS-BZ-F-125

10

125

1800

UNT-HVSS-BZ-F-140

10

140

2000

Configuration of One-motor Drive System Cabinet. Cabinet type and quantity (rated power≤2000KW).

Cabinet  type

Qty.

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Soft starter cabinet

1

1000×1500×2300mm

 

Configuration of two-motor drive system when two motor driver not running synchronously.Cabinet type and quantity (rated power≤2000KW).

 

Cabinet  type

Qty.

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Soft starter cabinet

1

1000×1500×2300mm

Motor switching cabinet

1

800×1500×2300mm

 
Configuration of two-motor drive system when two motor driver running synchronously. Cabinet type and quantity (rated power≤2000KW).
 

Cabinet  type

Qty.

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Switchgear

2

800×1500×2300mm

Soft starter cabinet

1

1000×1500×2300mm

Motor switching cabinet

1

800×1500×2300mm

 
Selection Table of Motor Rated Power (2000KW<rated power≤5000KW)
 

Soft starter

Rated voltage

Rated current

Output power

Model

(kV)

(A)

(KW)

UNT-HVSS-BZ-F-170

10

170

2500

UNT-HVSS-BZ-F-205

10

205

3000

UNT-HVSS-BZ-F-225

10

225

3300

UNT-HVSS-BZ-F-235

10

235

3500

UNT-HVSS-BZ-F-255

10

255

3800

UNT-HVSS-BZ-F-270

10

270

4000

UNT-HVSS-BZ-F-290

10

290

4300

UNT-HVSS-BZ-F-305

10

305

4500

UNT-HVSS-BZ-F-325

10

325

4800

UNT-HVSS-BZ-F-335

10

335

5000

Configuration of One-motor Drive System Cabinet. Cabinet type and quantity (2000KW<rated power≤5000KW).

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Soft starter cabinet

1

1000×1500×2300mm

Star-pointed cabinet

1

800×1500×2300mm

 
Configuration of two-motor drive system when two motor driver not running synchronously (2000KW<rated power≤5000KW).
 

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Soft starter cabinet

1

1000×1500×2300mm

Motor switching cabinet

1

800×1500×2300mm

Star-pointed cabinet

2

800×1500×2300mm

 
 

Configuration of two-motor drive system when two motor driver running synchronously (2000KW<rated power≤5000KW).  

 

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Switchgear

2

800×1500×2300mm

Soft starter cabinet

1

1000×1500×2300mm

Motor switching cabinet

1

800×1500×2300mm

Star-pointed cabinet

2

800×1500×2300mm

 
Selection Table of Motor Rated Power (5500KW<rated power≤9000KW)
 

Soft starter

Rated voltage

Rated current

Output power

Model

(kV)

(A)

(KW)

UNT-HVSS-BZ-F-365

10

365

5500

UNT-HVSS-BZ-F-400

10

400

6000

UNT-HVSS-BZ-F-435

10

435

6500

UNT-HVSS-BZ-F-465

10

465

7000

UNT-HVSS-BZ-F-500

10

500

7500

UNT-HVSS-BZ-F-530

10

530

8000

UNT-HVSS-BZ-F-565

10

565

8500

UNT-HVSS-BZ-F-600

10

600

9000

 

Configuration of One-motor Drive System Cabinet. Cabinet type and quantity (5500KW<rated power≤9000KW).

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Soft starter cabinet

Set

1

800×1500×2300mm

Set

1

1200×1500×2300mm

Star-pointed cabinet

1

800×1500×2300mm

 

Configuration of Three-and-more Motor Drive System Cabinet (5500KW<rated power≤9000KW).  

 

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Switchgear

The same as motor’s quantity

800×1500×2300mm

Soft starter cabinet

1

1200×1500×2300mm

Motor switching cabinet

The same as motor’s quantity

800×1500×2300mm

Star-pointed cabinet

The same as motor’s quantity

800×1500×2300mm

 
Selection Table of Motor Rated Power (9500KW<rated power≤20000KW)
 

Soft starter

Rated voltage

Rated current

Output power

Model

(kV)

(A)

(KW)

UNT-HVSS-BZ-F-630

10

630

9500

UNT-HVSS-BZ-F-665

10

665

10000

UNT-HVSS-BZ-F-730

10

730

11000

UNT-HVSS-BZ-F-800

10

800

12000

UNT-HVSS-BZ-F-865

10

870

13000

UNT-HVSS-BZ-F-930

10

930

14000

UNT-HVSS-BZ-F-1000

10

1000

15000

UNT-HVSS-BZ-F-1065

10

1065

16000

UNT-HVSS-BZ-F-1130

10

1130

17000

UNT-HVSS-BZ-F-1195

10

1195

18000

UNT-HVSS-BZ-F-1260

10

1260

19000

UNT-HVSS-BZ-F-1330

10

1330

20000

 

Configuration of One-motor Drive System Cabinet. Cabinet type and quantity (9500KW<rated power≤20000KW).

Cabinet  type

Qty

Dimensions (W*D*H)

Model

1

1000×1500×2300mm

Soft starter cabinet

set

1

1000×1500×2300mm

set

1

1000×1500×2300mm

set

1

1000×1500×2300mm

set

1

1000×1500×2300mm

set

1

1000×1500×2300mm

Star-pointed cabinet

1

800×1500×2300mm

Configuration of Three-and-more Motor Drive System Cabinet (9500KW<rated power≤20000KW).

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

1000×1500×2300mm

Switchgear

The same as motor’s quantity

1000×1500×2300mm

Soft starter cabinet

set

1

1000×1500×2300mm

set

1

1000×1500×2300mm

set

1

1000×1500×2300mm

set

1

1000×1500×2300mm

Motor switching cabinet

The same as motor’s quantity

1000×1500×2300mm

Star-pointed cabinet

The same as motor’s quantity

800×1500×2300mm

Selection Table of Motor Rated Power (rated power≤2000KW)

Soft starter

Rated voltage

Rated current

Output power

Model

(kV)

(A)

(KW)

UNT-HVSS-BZ-D-20

6

20

150

UNT-HVSS-BZ-D-25

6

25

200

UNT-HVSS-BZ-D-40

6

40

300

UNT-HVSS-BZ-D-55

6

55

450

UNT-HVSS-BZ-D-90

6

90

700

UNT-HVSS-BZ-D-115

6

115

900

UNT-HVSS-BZ-D-140

6

140

1200

UNT-HVSS-BZ-D-175

6

175

1500

UNT-HVSS-BZ-D-210

6

210

1800

UNT-HVSS-BZ-D-230

6

230

2000

 

Configuration of One-motor Drive System Cabinet. Cabinet type and quantity (rated power≤2000KW).

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Soft starter cabinet

1

1000×1500×2300mm

 

Configuration of two-motor drive system when two motor driver not running synchronously.Cabinet type and quantity (rated power≤2000KW).

 

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Soft starter cabinet

1

1000×1500×2300mm

Motor switching cabinet

1

800×1500×2300mm

 
Configuration of two-motor drive system when two motor driver running synchronously. Cabinet type and quantity (rated power≤2000KW).
 

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Switchgear

2

800×1500×2300mm

Soft starter cabinet

1

1000×1500×2300mm

Motor switching cabinet

1

800×1500×2300mm

 
Selection Table of Motor Rated Power (2200KW<rated power≤3000KW)
 

Soft starter

Rated voltage

Rated current

Output power

Model

(kV)

(A)

(KW)

UNT-HVSS-BZ-D-250

6

250

2200

UNT-HVSS-BZ-D-270

6

270

2400

UNT-HVSS-BZ-D-280

6

280

2500

UNT-HVSS-BZ-D-315

6

315

2800

UNT-HVSS-BZ-D-335

6

335

3000

 
Configuration of One-motor Drive System Cabinet. Cabinet type and quantity (2200KW<rated power≤3000KW).
 

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Soft starter cabinet

1

1000×1500×2300mm

Star-pointed cabinet

1

800×1500×2300mm

 

Configuration of two-motor drive system when two motor driver not running synchronously.Cabinet type and quantity (2200KW<rated power≤3000KW).

 

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Soft starter cabinet

1

1000×1500×2300mm

Motor switching cabinet

1

800×1500×2300mm

Star-pointed cabinet

2

800×1500×2300mm

 
 

Configuration of two-motor drive system when two motor driver  running synchronously.Cabinet type and quantity (2200KW<rated power≤3000KW). 

 

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Switchgear

2

800×1500×2300mm

Soft starter cabinet

1

1000×1500×2300mm

Motor switching cabinet

1

800×1500×2300mm

Star-pointed cabinet

2

800×1500×2300mm

 
Selection Table of Motor Rated Power (3300KW<rated power≤5400KW). 
 

Soft starter

Rated voltage

Rated current

Output power

Model

(kV)

(A)

(KW)

UNT-HVSS-BZ-D-365

6

365

3300

UNT-HVSS-BZ-D-400

6

400

3600

UNT-HVSS-BZ-D-445

6

445

4000

UNT-HVSS-BZ-D-465

6

465

4200

UNT-HVSS-BZ-D-500

6

500

4500

UNT-HVSS-BZ-D-530

6

530

4800

UNT-HVSS-BZ-D-555

6

555

5000

UNT-HVSS-BZ-D-600

6

600

5400

 
Configuration of One-motor Drive System Cabinet. Cabinet type and quantity (3300KW<rated power≤5400KW).
 

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Soft starter cabinet

set

1

800×1500×2300mm

set

1

1200×1500×2300mm

Star-pointed cabinet

1

800×1500×2300mm

Configuration of three-motor drive system when three motor driver  not running synchronously.Cabinet type and quantity (3300KW<rated power≤5400KW).

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

800×1500×2300mm

Switchgear

The same as motor’s quantity

800×1500×2300mm

Soft starter cabinet

1

1200×1500×2300mm

Motor switching cabinet

The same as motor’s quantity

800×1500×2300mm

Star-pointed cabinet

The same as motor’s quantity

800×1500×2300mm

 
Selection Table of Motor Rated Power (5400KW<rated power≤12000KW).  
 

Soft starter

Rated voltage

Rated current

Output power

Model

(kV)

(A)

(KW)

UNT-HVSS-BZ-D-665

6

665

6000

UNT-HVSS-BZ-D-720

6

720

6500

UNT-HVSS-BZ-D-775

6

775

7000

UNT-HVSS-BZ-D-830

6

830

7500

UNT-HVSS-BZ-D-885

6

885

8000

UNT-HVSS-BZ-D-940

6

940

8500

UNT-HVSS-BZ-D-995

6

995

9000

UNT-HVSS-BZ-D-1050

6

1050

9500

UNT-HVSS-BZ-D-1110

6

1110

10000

UNT-HVSS-BZ-D-1220

6

1220

11000

UNT-HVSS-BZ-D-1330

6

1330

12000

 
Configuration of One-motor Drive System Cabinet. Cabinet type and quantity (5400KW<rated power≤12000KW).
 

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

1000×1500×2300mm

Soft starter cabinet

Phase-A valve block cabinet

1

1000×1500×2300mm

Phase-B valve block cabinet

1

1000×1500×2300mm

Phase-C valve block cabinet

1

1000×1500×2300mm

Control cabinet

1

1000×1500×2300mm

Motor switching cabinet

1

1000×1500×2300mm

Star-pointed cabinet

1

800×1500×2300mm

Configuration of three-motor drive system when three motor driver  not running synchronously.Cabinet type and quantity (5400KW<rated power≤12000KW).

Cabinet  type

Qty

Dimensions (W*D*H)

Incoming cabinet

1

1000×1500×2300mm

Switchgear

The same as motor’s quantity

1000×1500×2300mm

Soft starter cabinet

Phase-A valve block cabinet

1

1000×1500×2300mm

Phase-B valve block cabinet

1

1000×1500×2300mm

Phase-C valve block cabinet

1

1000×1500×2300mm

Control cabinet

1

1000×1500×2300mm

Motor switching cabinet

The same as motor’s quantity

1000×1500×2300mm

Star-pointed cabinet

The same as motor’s quantity

800×1500×2300mm

 

Block diagram of the soft starter series UNT-HVSS