News of Polymer Insulator
The Top Manufacturers of Composite Insulators in China in 2021
Comparing of purchsing data of composite insulators from Jan, 2021 to June, 2021, the following company in China are ranked top manufacuturer: Xianyang Guowang Composite Insulators Co., Ltd.
Operation principle of the surge arrester
Surge arresters are generally connected in parallel with the protected equipment and are subjected to the system voltage under normal operating conditions. Under steady-state voltage, their impedance is very high. However, it decreases abruptly at higher voltages when a steep wavefront surge comes i
largest power transmission line in Chile
The new line, which is the most important energy project in Chile of the last 50 years, uses a 500 kV double circuit line, covering approximately 800 km of land and connecting four substations: Nueva Cardones - Nueva Maitencillo - Nueva Pan de Azucar - Polpaico.
The world’s first 1100 kV UHV DC transmission project
The Changji-Guquan ±1100 kV UHV DC transmission project uses more than 14,000 pieces of ultra-high voltage DC composite insulators produced by Xiangyang Guowang Composite Insulator Co., Ltd.
Indian first HVDC power transmission line to be operational on Aug 31 2015
ndia’s first high-voltage, direct-current (HVDC) transmission line, connecting the northern states with the north-eastern ones, will be operational on August 31. The 800-kv, 6,000-MW line was built by Power Grid Corporation of India at an investment of R12,000 crore.
2021 Main Bid-winning of Composite Insulators In China
the State Grid Corporation headquarters has issued 8 batches of bid-winning announcements concerning composite insulator products
The rapid development history of China's silicone rubber composite insulators
Since the first batch of Chinese-produced silicone rubber composite insulators were put into operation in the Shitai Line and Baocheng Line electrified railway tunnels in 1983, the development of composite insulators in China has been more than 30 years.
Transmission System Performance in Oman
The Oman Electricity Transmission Company (OETC) is authorized to undertake all the regulated activities of electricity transmission system and load dispatch in northern and southern Oman. It comprises the Main Interconnected Transmission System (MITS) centered in northern Oman that has three operat
Polymer Insulator in China
Guowang Composite Insulators Co., Ltd. was first established in 1987 and began shortly later offering silicone nsulators for up to 110 kV
ANEEL energy transmission auction 2022
The National Electric Energy Agency (Aneel) is holding this Thursday (30) an energy transmission auction with an expectation of R$ 15.3 billion in investments.
Elsewedy Electric win the bid for Kuwait’s 400kV Transmissionline
Elsewedy Electric win the bid for Kuwait’s 400kV Transmission line
Nine groups qualify for Peru power transmission concession
Peru’s investment promotion agency ProInversión has qualified nine groups for the 220kV Ica-Poroma and Caclic-Jaen Norte power transmission concession.