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Product details

Station Post Composite Insulator

● Improves Reliability (by minimizing interruptions and outages due to vandalism, pole fires, and flashovers in all types of environments); ● Eliminates or Reduces Maintenance (such as washing and trouble calls) and is compatible with existing plant; ●Service Life (consistent performance over its service life); ●Life Cycle Cost (savings over porcelain insulators).
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What is a station post insulator?

Station post (SP) insulators found in power processing equipment in power plants and substations support cables and other equipment, isolating them from the ground. SP insulators support each device; several can be connected to form an insulating column.

● Application: Fix energized conductor;

● Color: Red, Brown, Gray, or Customer's requirement;

● Applicable Standard: IEC, GB, BS, ANSI, AS, or Customer's requirement;

● Excellent mechanical and electrical properties,

●Hydrophobic properties of the silicone rubber insulation cover ensure high resistance to dirt and self-cleaning properties;

●Lower risk of mechanical damage during transport, assembly and operation;

●Resistance to UV radiation, ozone, and moisture;

●Shock and impact resistance – suitable for use in areas of seismic activity;

●Capable of carrying specific torsional loads.

 

Specification

 

Rated System Voltage (kV)

Section Length (mm)

Arcing Distance (mm)

Creepage Distance (mm)

Specific Creepage Distance

Specified Cantilever Load (kN)

Specified torsional Load (kN·m)

Specified Tensile Load (kN)

Lightning Impulse Withstand Voltage (kV)

Power Frequency Withstand Voltage (kV)

Dry

Wet

35

560

≥400

1260(e)/1020(d)

53.7(e)/43.3(d)

6

4

10

≥200

100

80

35

560

≥400

1260(e)/1020(d)

53.7(e)/43.3(d)

12.5

6

10

≥200

100

80

66

770

≥600

2250(e)/1820(d)

53.7(e)/43.3(d)

6

4

10

≥325

175

140

66

770

≥600

2250(e)/1820(d)

53.7(e)/43.3(d)

12.5

6

10

≥325

175

140

110

1150

≥900

3910(e)/3150(d)

53.7(e)/43.3(d)

8

4

10

≥450

250

200

220

2300

≥1900

7820(e)/6300(d)

53.7(e)/43.3(d)

8

4

10

≥950

490

395

220

2300

≥1900

7820(e)/6300(d)

53.7(e)/43.3(d)

12.5

6

10

≥950

490

395

220

2300

≥1900

7820(e)/6300(d)

53.7(e)/43.3(d)

16

6

10

≥950

490

395

330

3650

≥3000

11260(e)/9080(d)

53.7(e)/43.3(d)

10

4

10

≥1175

635

510

750

7200

≥6500

24800(e)/20000(d)

53.7(e)/43.3(d)

12.5

6

10

≥2100

1200

960

Order Information:

①Voltage grade; ②Specified mechanical load; ③Creepage distance;

④Power frequency withstand voltage; ⑤Lightning impulse withstand voltage; ⑥Insulation distance; ⑦Coupling type

Ps. Different design could be supplied as customer requirements

 

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