What is PS70E Toughened Glass Suspension Insulator?

The PS70E glass electrical insulator is designed for high-voltage power transmission, providing both electrical insulation and mechanical support for overhead lines.Below are the key details and features of the PS70E insulator:

1. It is a type of high voltage toughened glass insulator used for electrical transmission and distribution lines.
2. The PS70E model is part of a series that includes other models like PS120B, PS210V, PS240V, and PS300V.
3. These insulators are designed for high-voltage applications and are used to support and insulate overhead power lines.
4. The "70" in PS70E refers to its mechanical failing load of 70 kN (kilonewtons).
5. These insulators undergo various tests including electrical, mechanical, and thermal tests to ensure reliability.

Specifications of PS70E glass power insulators :
Model: PS70E
Material: Toughened glass
Mechanical Failing Load: 70 kN
Diameter: Approximately 255 mm
Spacing: Approximately 127 mm
Creepage Distance: 320 mm
Power Frequency Withstand Voltage: 40 kV (wet)
Lightning Impulse Withstand Voltage: 100 kV (dry)
Puncture Voltage: 130 kV
Radio Influence Voltage: 50 µV
Corona Visual Test: 18/22 kV
Power Frequency Electric Arc Voltage: 0.12s/20kA
Net Weight per Unit: Around 3.5 kg

Features of PS70E glass suspension insulators:
1. High Mechanical Strength: The PS70E insulator is designed to withstand mechanical loads up to 70 kN, making it suitable for high-stress environments.
2. Electrical Performance: It meets various electrical standards for high voltage applications, including power frequency withstand voltage and lightning impulse withstand voltage.
3. Environmental Resistance: The toughened glass material provides excellent resistance to environmental factors such as temperature fluctuations and pollution.
4. Compliance with Standards: The PS70E insulator complies with international standards such as IEC 60305 and ANSI C29.2B, ensuring reliability and safety in electrical systems.

Applications of PS70E high voltage insulators:
1.Overhead Power Lines: Used to support and insulate conductors in high-voltage transmission and distribution lines.
2.Substations: Suitable for isolating and fixing wires in substations with AC voltage over 1000V and frequency up to 100Hz.
3.Industrial and Coastal Areas: The design is particularly effective in industrial, agricultural, and coastal areas where environmental conditions can be harsh.

Testing and Quality Control:
1.Type Tests: Includes dry lightning impulse withstand voltage test, wet power frequency withstand voltage test, mechanical load test, puncture withstand test, and more.
2.Routine Tests: Visual examination, mechanical routine test, electrical routine test, and thermal shock routine test to ensure consistent quality and performance.

The PS70E toughened glass suspension insulator is designed and tested to comply with international standards, providing reliable performance in high voltage applications. It is suitable for various electrical systems, ensuring both mechanical support and electrical insulation.