Busbar wires, enclosed, with common sheathing for phases, rounded; ShZK-0.4, ShZK-1.0, ShZK-1.2 types

Busbar wires, enclosed, rounded, with common sheathing for phases of ShZK-0.4 and ShZK-1.0 types of voltage up to 1000 V, rated current 1600 and 2000 A are designed for electrical connection of power plant auxiliaries rated power up to 1000 kVA to PSN board and KTPSN-0.5 cabinet.

Busbar wires, enclosed, rounded, with common sheathing for phases of ShZK-1.2 type of voltage up to 1200 V, rated current 2000, 2500, 4000 and 6300 A are designed for electrical connection of exciters to boards, junction assembling and shields of operating and auxiliary generator excitation rated power up to 1200 MW.

Function, field of application

Busbar wires, enclosed, rounded, with common sheathing for phases of ShZK-0.4 and ShZK-1.0 types of voltage up to 1000 V, rated current 1600 and 2000 A are designed for electrical connection of power plant auxiliaries rated power up to 1000 kVA to PSN board and KTPSN-0.5 cabinet.

Busbar wires, enclosed, rounded, with common sheathing for phases of ShZK-1.2 type of voltage up to 1200 V, rated current 2000, 2500, 4000 and 6300 A are designed for electrical connection of exciters to boards, junction assembling and shields of operating and auxiliary generator excitation rated power up to 1200 MW.

Notation of structure:

ShZK----

ShZ

Bus bar, closed

Sheath shape:- circular

Rated voltage, kV

Rated current, A

Peak withstand current, kA

XX

Climatic execution and layout category according to GOST 15150


Types and main characteristics of ShZK bus bars types

Current-conducting wire (bus bar) type

Rated voltage, kV

Rated current, A

Endurance, kA

Power losses per one linear meter of current - conducting wire kW/m, maximum

Electrodynamics

Thermal, three-second

ShZK -0,4-1600-51 U3, 3

0,4

1600

51

25*

0,22

ShZK -0,4-2000-51 U3, 3

0,4

2000

51

25*

0,33

-1,0-1600-81 U3, 3

1,0

1600

81

40*

0,22

ShZK -1,0-2000-81 U3, 3

1,0

2000

81

40*

0,33

ShZK -1,2-2000-51 U3, 3

1,2

2000

51

20

0,20

ShZK -1,2-2000-128 U3, 3

1,2

2000

128

50

0,20

ShZK -1,2-2500-81 3, 3

1,2

2500

81

31,5

0,20

ShZK -1,2-4000-81 U3, 3

1,2

4000

81

31,5

0,31

ShZK -1,2-6300-128 U3, 3

1,2

6300

128

50

0,47

*-Bus bar thermal endurance during 0,5 s.


Overall dimensions of ShZK bas bars type

Current-conducting wire (bus bar) type

Fig.

Sheathing material

D sh. ext.

Bus dimensions

H

h

L

I1

I2

ShZK-0,4-1600-51 U3, 3

Fig. 1

aluminium
5N,
6N,
7N
GOST 2163

351

55x125

425)

225

430

250

330

ShZK -0,4-2000-51 U3, 3

351

55x125

425

225

430

250

330

ShZK -1,0-1600-81 U3, 3

351

55x125

425

225

430

250

330

ShZK -1,0-2000-81 U3, 3

351

55x125

425

225

430

250

330

ShZK -1,2-2000-51 U3, 3

Fig. 2

Steel St.3
Groups B, V

453

65x150

516

280

534

300

380

ShZK -1,2-2000-128 U3, 3

453

65x150

516

280

534

300

380

ShZK -1,2-2500-81 U3, 3

453

65x150

516

280

534

300

380

ShZK -1,2-4000-81 U3, 3

453

65x150

516

280

534

300

380

ShZK -1,2-6300-128 U3, 3

453

65x150

516

280

534

300

380