GSK (F) - Трансформатори внутрішнього та верхнього струму з відкритим ядром у житлі смоли
  • GSK (F) - Трансформатори внутрішнього та верхнього струму з відкритим ядром у житлі смоли

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Виробник: ELEQ

GSK (F) - Трансформатори внутрішнього та верхнього струму з відкритим ядром у житлі смоли

GSK (F) Split-Core Current Transformers

GSK (F) split-core current transformers can be used for a variety of measuring, revenue metering (billing) and protection tasks. They are easily mounted around existing busbar or cable systems. If the busbar systems or medium voltage cables are sufficiently insulated, these current transformers can be used for insulation levels higher than UM= 0,72kV. Split-core current transformers for outdoor use are also available on request.

 

The current transformers are made of soft magnetic, highly permeable cut wound cores. Each half of the core is uniformly wound for better detection of the magnetic field. Two plugs connect the two halves when mounted. Four socket-head cap screws with compression springs hold the two halves of the housing together, thus guaranteeing the correct pressure at the cut core surfaces.

The output terminals come equipped with M5 screws. Protection against accidental contact is provided by a transparent polycarbonate cap. The modular mould system of the GSK permits almost any combination of housing and window sizes. To guarantee the mechanical and electrical resistance of the transformers they are encapsulated in a cast-resin housing with polyurethane. The GSK split-core current transformers are equipped with two base plates as standard that allow them to be mounted in any position. They require no maintenance.

During the final inspection at ELEQ the current transformers are always subjected to a routine test in accordance with the relevant national and international standards

Caution: if current transformers are operated open-circuited on the secondary side, extremely high voltages can be generated with resultant damage to equipment and personnel!

General technical data

Rated primary current 50.….10000A
Rated secondary current 1A, 5A
Rated frequency 50Hz, 60Hz
Rated burden according to customers requirement
Accuracy class according to customers requirement
Rated insulation level 0,72/3/-kV
Rated short-time thermal current Minimum 100 x IN
Standard VDE, IEC, BC, ANSI itp.

Dimensions GSK100 and 120

Type b1 b2 h h1 dmax. Sizes

GSK 100/…

60 100 122 58 50 A-C

GSK 120/…

80 120 137 62 85 A-C

Possible sizes

  x y z
A 60 75 90
B 90 105 120
C 120 135 150


Dimensions remaining GSK’s

Possible sizes

Type b1 b2 b3 h h1 h2 dmax. Sizes

GSK 135/…

130 135 150 140 70 10 90 A-C

GSK 150/…

130 150 150 170 85 10 110 A-C

GSK 170/…

150 170 170 185 92,5 10 110 A-D

GSK 200/…

180 200 200 200 100 10 140 B-C+*

GSK 250/…

230 250 250 260 130 10 150 B-E

GSK 300/…

280 300 300 340 170 10 210 B-E

GSK 400/…

370 400 400 440 220 10 290 B-F

GSK 500/…

440 500 500 540 270 15 350 E-G
  x y
A 60 30
B 90 60
C 120 90
D 150 120
E 200 170
F 250 220
G 300 270
* 140 110
Small deviations in dimension and construction possible

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GSK (F) Split-Core Current Transformers

GSK (F) split-core current transformers can be used for a variety of measuring, revenue metering (billing) and protection tasks. They are easily mounted around existing busbar or cable systems. If the busbar systems or medium voltage cables are sufficiently insulated, these current transformers can be used for insulation levels higher than UM= 0,72kV. Split-core current transformers for outdoor use are also available on request.

 

The current transformers are made of soft magnetic, highly permeable cut wound cores. Each half of the core is uniformly wound for better detection of the magnetic field. Two plugs connect the two halves when mounted. Four socket-head cap screws with compression springs hold the two halves of the housing together, thus guaranteeing the correct pressure at the cut core surfaces.

The output terminals come equipped with M5 screws. Protection against accidental contact is provided by a transparent polycarbonate cap. The modular mould system of the GSK permits almost any combination of housing and window sizes. To guarantee the mechanical and electrical resistance of the transformers they are encapsulated in a cast-resin housing with polyurethane. The GSK split-core current transformers are equipped with two base plates as standard that allow them to be mounted in any position. They require no maintenance.

During the final inspection at ELEQ the current transformers are always subjected to a routine test in accordance with the relevant national and international standards

Caution: if current transformers are operated open-circuited on the secondary side, extremely high voltages can be generated with resultant damage to equipment and personnel!

General technical data

Rated primary current 50.….10000A
Rated secondary current 1A, 5A
Rated frequency 50Hz, 60Hz
Rated burden according to customers requirement
Accuracy class according to customers requirement
Rated insulation level 0,72/3/-kV
Rated short-time thermal current Minimum 100 x IN
Standard VDE, IEC, BC, ANSI itp.

Dimensions GSK100 and 120

Type b1 b2 h h1 dmax. Sizes

GSK 100/…

60 100 122 58 50 A-C

GSK 120/…

80 120 137 62 85 A-C

Possible sizes

  x y z
A 60 75 90
B 90 105 120
C 120 135 150


Dimensions remaining GSK’s

Possible sizes

Type b1 b2 b3 h h1 h2 dmax. Sizes

GSK 135/…

130 135 150 140 70 10 90 A-C

GSK 150/…

130 150 150 170 85 10 110 A-C

GSK 170/…

150 170 170 185 92,5 10 110 A-D

GSK 200/…

180 200 200 200 100 10 140 B-C+*

GSK 250/…

230 250 250 260 130 10 150 B-E

GSK 300/…

280 300 300 340 170 10 210 B-E

GSK 400/…

370 400 400 440 220 10 290 B-F

GSK 500/…

440 500 500 540 270 15 350 E-G
  x y
A 60 30
B 90 60
C 120 90
D 150 120
E 200 170
F 250 220
G 300 270
* 140 110
Small deviations in dimension and construction possible

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