66KV Copper Cable Accessories Heat Shrink Termination

NO.

DESCRIPTION

UNIT

SELLER GUARANTEE

1

MANUFACTURE

NBF CHINA

2

TYPE

YJZWC4

3

ADOPTING STANDARD

IEC62067

4

RATED VOLTAGE (UO/U)

KV

127/220

5

MAX. WORKING VOLTAGE(UM)

KV

252

6

BASE IMPULSE LEVEL(BIL)

KV

1050

7

MAX. RATED TEMP. OF THE CONDUCTOR

1. AT THE NORMAL RUN
2. TRANSIENT STATE(SHORT-CIRCUIT CURRENT SUSTAINING TIME IS NOT LESS THAN 5S)

℃

℃

90

250

8

BUSHING MATERIAL

HIGH-STRENGTH PORCELAIN

9

CREEPING DISTANCE OF THE BUSHING

MM

7812

10

MATERIAL OF PRE-MOULD STRESS CONE

EPDM

11

INSULATION FILLER INSIDE THE BUSHING

1. MATERIAL
2. DIELECTRIC CONSTANT
3. VOLUME RESISTIVITY

Ω.M

A. insulation agent

B. 50HZ. 2.76

C. 1×10¹³

12

DIAMETER OF CONNECTOR LUG

MM

Φ28(240-400MM²)

Φ45(500-1000MM²)

Φ50(1000-1600MM²)

13

WEIGHT

KG

1000

14

HEIGHT

MM

3440

15

ELECTRICAL CONNECTION METHOD BETWEEN THE WIPING SLEEVE AND METAL SHEATH

WELDING

16

SEALING METHOD OF THE WIPING SLEEVE

“O” RING

17

METAL SCREEN LAYER OF THE TERMINATION

1. MATERIAL
2. SPECIFICATION. QUANTITY
3. CROSS-SECTION
4. ALLOW MAX. SHORT-CIRCUIT CURRENT

MM²

KA

COPPER BRAID TAPE

35MM² , 6PCS

210

60KA(1S);50KA(3S)

18

THE MAIN TEST:

1. POWER FREQUENCY VOLTAGE TEST 1MIN
2. PARTIAL DISCHARGE AT ROOM TEMPERATURE
3. CONSTANT VOLTAGE LOAD CYCLING TEST(20PERIOD)

1. PARTIAL DISCHARGE AT HIGH TEMPERATURE
2. IMPULSE VOLTAGE TEST

F. POWER FREQUENCY VOLTAGE AFTER IMPULSE VOLTAGE TEST

KV

1. 460KV(WET STATE)
2. 190KV(1.5UO), ≤5PC
3. 254 KV (HEAT THE CONDUCTOR TO 95-100℃, HEAT 8H/COOL 16H), 20 TIMES
4. 190KV(1.5UO), ≤5PC
5. 1050KV±EACH 10TIMES
6. 254KV(2UO),15MIN

19

CURRENT-CARRYING CAPACITY

A

ACCORDING TO CABLE

20

SERVICE LIFE

YEARS

30