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

Notation of structure:
ShZK-Х-Х-Х-ХХ
ShZ	Bus bar, closed
К	Sheath shape:К- circular
Х	Rated voltage, kV
Х	Rated current, A
Х	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
Current-conducting wire (bus bar) type	Rated voltage, kV	Rated current, A	Electrodynamics	Thermal, three-second
ShZK -0,4-1600-51 U3, Т3	0,4	1600	51	25*	0,22
ShZK -0,4-2000-51 U3, Т3	0,4	2000	51	25*	0,33
ШЗК-1,0-1600-81 U3, Т3	1,0	1600	81	40*	0,22
ShZK -1,0-2000-81 U3, Т3	1,0	2000	81	40*	0,33
ShZK -1,2-2000-51 U3, Т3	1,2	2000	51	20	0,20
ShZK -1,2-2000-128 U3, Т3	1,2	2000	128	50	0,20
ShZK -1,2-2500-81 У3, Т3	1,2	2500	81	31,5	0,20
ShZK -1,2-4000-81 U3, Т3	1,2	4000	81	31,5	0,31
ShZK -1,2-6300-128 U3, Т3	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, Т3	Fig. 1	aluminium А 5N, А 6N, А 7N GOST 2163	351	55x125	425)	225	430	250	330
ShZK -0,4-2000-51 U3, Т3			351	55x125	425	225	430	250	330
ShZK -1,0-1600-81 U3, Т3			351	55x125	425	225	430	250	330
ShZK -1,0-2000-81 U3, Т3			351	55x125	425	225	430	250	330
ShZK -1,2-2000-51 U3, Т3	Fig. 2	Steel St.3 Groups B, V	453	65x150	516	280	534	300	380
ShZK -1,2-2000-128 U3, Т3			453	65x150	516	280	534	300	380
ShZK -1,2-2500-81 U3, Т3			453	65x150	516	280	534	300	380
ShZK -1,2-4000-81 U3, Т3			453	65x150	516	280	534	300	380
ShZK -1,2-6300-128 U3, Т3			453	65x150	516	280	534	300	380