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Lightning Arrester Metal oxide Zinc for Overhead Line for High Voltage

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Metal oxide Zinc High Voltage Surge Arrester for Overhead Line

Zinc Oxide Surge Arresters represent a significant advancement in lightning protection technology. Their superior performance, reliability, and low maintenance requirements make them the preferred choice for modern electrical systems. By leveraging the non-linear volt-ampere characteristics of zinc oxide, these arresters provide effective and efficient protection against overvoltages, ensuring the safety and reliability of power networks and connected equipment.


General 

1. Ratings:0.22~500KV (porcelain),0.22~220KV(composite) 


Standards and Certifications

  • Complies with international standards such as IEC 60099-4 and IEEE C62.11.

  • Certified for use in high-voltage applications by relevant authorities.

Working Condition

1. Ambient air temperature:-40℃ ~+40℃ ; 

2. Altitude:<=2000m; 

3. Frequency: 48Hz~62Hz; 

4. Power frequency voltage applied between terminals of surge arrester must not exceed continuous operating voltage of surge arrerter; 

5. Earthquake intensity is less than 8 degree; 

6. Max. Wind speed is 35m/s.


Techical Parameter

1. Metal oxide Polymer Housing (Gapless) type Surge Arrester for A.C System(5kA series)


Model

Rated voltage (kVr.m.s)

Continuous operating Voltage(KVr.m.s)

Lightening impulse residual voltage under nominal discharge current (<=KVp)

Line discharge class

Creepage distance(mm)

2ms square wave impulse current withstands(A)

4/10μhigh current impulse Withstands(KAp)

YH-5W-6

6

5.1

18


320

150

65

YH-5W-9

9

7.65

27


430

150

65

YH-5W-12

12

10.2

36


430

150

65

YH-5W-15

15

12.75

45


530

150

65

YH-5W-18

18

15.3

54


530

150

65

YH-5W-21

21

16.8

63


640

150

65

YH-5W-24

24

19.2

72


640

150

65

YH-5W-27

27

21.6

81


740

150

65

YH-5W-30

30

24

90


890

150

65

YH-5W-33

33

26.4

99


890

150

65

YH-5W-36

36

28.8

108


1115

150

65

2. Metal Oxide Polymer Housing (Gapless) type Surge Arrester for A.C. System (10KA series)

Model

Rated voltage (kVr.m.s)

Continuous operating Voltage(KVr.m.s)

Lightening impulse residual voltage under nominal discharge current (<=KVp)

Line discharge class

Creepage distance(mm)

2ms square wave impulse current withstands(A)

4/10μhigh current impulse Withstands(KAp)

YH-10W-6

6

5.1

18

1

320

250

100

YH-10W-9

9

7.65

27

1

430

250

100

YH-10W-12

12

10.2

36

1

430

250

100

YH-10W-15

15

12.75

45

1

530

250

100

YH-10W-18

18

15.3

54

1

530

250

100

YH-10W-21

21

16.8

63

1

640

250

100

YH-10W-24

24

19.2

72

1

740

250

100

YH-10W-27

27

21.6

81

1

740

250

100

YH-10W-30

30

24

90

1

890

250

100

YH-10W-33

33

26.4

99

1

890

250

100

YH-10W-36

36

28.8

108

1

1115

250

100

YH-10W-42

42

33.6

126

2

1260

400

100

YH-10W-48

48

39

139

2

1260

400

100

YH-10W-54

54

42

160

2

1260

400

100

YH-10W-60

60

48

178

2

1465

400

100

YH-10W-66

66

52.8

196

2

1465

400

100

YH-10W-72

72

57

214

2

2255

400

100

YH-10W-84

84

67.2

244

2

2255

400

100

YH-10W-90

90

72.5

249

2

2255

400

100

YH-10W-96

96

75

265

3

3555

800

100

YH-10W-108

108

84

281

3

3555

800

100

YH-10W-120

120

96

300

3

4153

800

100

YH-10W-150

150

120

416

3

5040

800

100

YH-10W-200

200

156

520

3

7110

800

100

3. Metal Oxide Polymer Housing (Gapless) type Surge Arrester for A.C. System (20KA series)


Model

Rated voltage (kVr.m.s)

Continuous operating Voltage(KVr.m.s)

Lightening impulse residual voltage under nominal discharge current (<=KVp)

Line discharge class

Creepage distance(mm)

2ms square wave impulse current withstands(A)

4/10μhigh current impulse Withstands(KAp)

YH-20W-108

108

84

281

3

3555

800

100

YH-20W-120

120

96

300

3

4153

800

100

YH-20W-150

150

120

416

3

5040

800

100

YH-20W-200

200

156

520

3

7110

800

100

4. Metal Oxide Porcelain Housing (Gapless) type Surge Arrester for A.C. System (5KA series)



Model

Rated voltage (kVr.m.s)

Continuous operating Voltage(KVr.m.s)

Lightening impulse residual voltage under nominal discharge current (<=KVp)

Line discharge class

Creepage distance(mm)

2ms square wave impulse current withstands(A)

4/10μhigh current impulse Withstands(KAp)

Y5W-6

6

5.1

18


280

150

65

Y5W-9

9

7.65

27


320

150

65

Y5W-12

12

10.2

36


320

150

65

Y5W-15

15

12.75

45


450

150

65

Y5W-18

18

15.3

54


450

150

65

Y5W-21

21

16.8

63


450

150

65

Y5W-24

24

19.2

72


510

150

65

Y5W-27

27

21.6

81


510

150

65

Y5W-30

30

24

90


890

150

65

Y5W-33

33

26.4

99


890

150

65

Y5W-36

36

28.8

108


890

150

65

Features

           1. Superior Protection Performance:

    • Provides excellent protection against lightning strikes, switching surges, and other transient overvoltages.

    • Clamps over

      voltages to a safe level, preventing damage to electrical equipment.

       2. Lightweight and Compact:

    • Zinc oxide arresters are smaller and lighter than traditional arresters, making them easier to install and maintain.

       3. Pollution Resistance:

    • Designed to withstand harsh environmental conditions, including pollution, moisture, and temperature variations.

    • Suitable for use in areas with high levels of industrial or coastal pollution.

           4. Stable Performance:

    • Offers consistent performance over a wide range of operating conditions.

    • Minimal degradation over time, ensuring long-term reliability.

        5. No Spark Gaps:

    • Unlike traditional arresters, ZnO arresters do not require spark gaps to operate.

    • This eliminates the risk of spark gap failure and reduces maintenance requirements.


Applications

  • Overhead Transmission and Distribution Lines:

    • Protects transformers, insulators, and other equipment from lightning-induced surges.

  • Substations:

    • Safeguards critical infrastructure from switching surges and transient overvoltages.

  • Renewable Energy Systems:

    • Used in solar and wind power installations to protect inverters and other sensitive equipment.

  • Industrial and Commercial Facilities:

    • Ensures the reliability of electrical systems by preventing damage from surges.


Advantages

  • Enhanced System Reliability:

    • Prevents downtime and equipment damage caused by voltage surges.

  • Cost-Effective:

    • Reduces the need for frequent repairs and replacements of damaged equipment.

  • Environmentally Friendly:

    • Zinc oxide-based arresters are free from hazardous materials like silicon carbide.


Packing and Shipping

Use wooden boxes and plastic packaging to protect the products from physical damage, moisture, and environmental pollutants.

Delivered worldwide via sea, air, or land freight. Custom shipping solutions are available based on customer requirements.  

电缆附件包装图片png






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