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The IEC 62730 standard is an international standard for multi stress aging testing of insulators used in photovoltaic (PV) systems, primarily evaluating the long-term durability of insulation materials in complex outdoor environments. The IEC 62730 Insulator Multi Stress Testing Machine is a testing device specifically designed to simulate the superposition of various environmental stresses and accelerate the aging of insulators.
Product name:
Technical Specifications for the 5000 - hour Multiple Stress Test Setup in accordance with IEC 62730:2024
IEC 62730:2024
In this document, the technical requirements of the 5000h multiple stress test bench are given according to IEC 62730:2024.
Test Procedur
The test shall be carried out in a moisture sealed corrosion-proof chamber, the volume of which shall not exceed 20 m3.
Test Conditions
The cycle of stresses applied to the insulators and repeated for a period of 5 000 h is shown in Figure 3. The cycle is designed so that the test specimens are also subjected to the effects of temperature variation and condensation .
Voltage
The power frequency test voltage in kilovolts is adjusted to the actual creepage distance of the test specimens. it is determined by dividing the creepage distance in millimetres by 34,6 (equal to a specific creepage distance of 20 mm/kV, calculated as phase-to-phase value) .
Solar Simulation
The simulated solar irradiation is provided by a xenon arc lamp with a nominal output of 6500 W and equipped with 2 boron silicate glass filters (see example in Figure 5) . The distance between the xenon lamp and test specimens is approximately 480 mm.
A new lamp and filters shall be used at the beginning of each test. The filters and , if necessary, the lamp shall be replaced during the test according to the lamp manufacturer's recommendations .
Artificial Rain
The artificial rain shall be provided by nozzles mounted above the test specimens and outside their perimeter (see Figure 4 ). The average precipitation rate shall be in accordance with IEC 60060-1 . Water of a minimum resistivity of 85 nm shall be used. Each of the test specimens is sprayed individually.
Dry Heat
The chamber is heated up to 50 °C ± 2 °C; the time far the temperature to rise is 15 min as a maximum.
NOTE it is recommended to heat and insulate the walls of the chamber.
Humidity
Nominal relative humidity: RH = 95 % ± 3 % at 50 °C.
Changlian Industrial Building, 168 Zhenan West Road, Xiabian Community, Chang'an Town, Dongguan, Guang Dong, China
Contact Person
Sophia Su
Mobile Number
86-15024082385
Telephone Number
86-0769-82759287
Email
daxian02@jiance17.cn
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2004
Total Annual:
8,000,000-10,000,000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Daxian is a professional manufacturer of Building materials/ Wire/ Plastics/ Rubber Fire retardant testing equipment
1. Fire Testing Equipment
2. Building Material Fire Tester
3. Wire and Cable Fire Tester
4. Environmental Test Chamber
5. Textile Testing Equipment
...
Daxian is a professional manufacturer of Building materials/ Wire/ Plastics/ Rubber Fire retardant testing equipment
1. Fire Testing Equipment
2. Building Material Fire Tester
3. Wire and Cable Fire Tester
4. Environmental Test Chamber
5. Textile Testing Equipment
...
