The insulation absorption ratio and polarization index are important indicators for evaluating the insulation performance of electrical equipment. Both reflect the insulation state by measuring the change in insulation resistance over time, but there are significant differences in test time, applicable scenarios, and diagnostic significance. The following is a detailed…

Recently, the Ministry of foreign trade reported another good news. Indonesia customers reached a cooperation with kvtester to purchase a batch of our equipment. This batch of equipment includes zc-501a-50kv oil immersed test transformer and zc-501a-150kv oil immersed test transformer. This batch of equipment has been fully produced, strict quality…

Recently, kvtester received an order for ZC-205c three-phase DC resistance tester. Our R & D department broke down the order according to the customer's requirements and functional requirements, designed and customized on demand, and carried out the R & D and improvement of ZC-205c three-phase DC resistance tester. After continuous…

"Foreign main engine manufacturers are expected to accelerate the pace of cooperation with domestic battery enterprises, and foreign power battery enterprises are expected to accelerate the transition to China in the second quarter." On April 21, Dr. Zhang Xiaofei, chairman of high tech lithium battery, speculated in the first live…

The daily treatment amount of domestic waste is 400t, which usually refers to the amount of domestic waste entering the plant is 400t / d. The original waste entering the plant is transported by a closed waste transport vehicle. After entering the plant and weighing by weighbridge, it enters the…

On April 19, Fujian Investment Group Putian Pinghai Bay offshore wind farm phase II Project No. 12 fan stand offshore negative pressure bucket installation was successful, which is the world's first successful installation of offshore wind power pile bucket composite foundation.       The negative pressure bucket foundation of…

On April 19, Fujian Investment Group Putian Pinghai Bay offshore wind farm phase II Project No. 12 fan stand offshore negative pressure bucket installation was successful, which is the world's first successful installation of offshore wind power pile bucket composite foundation.       The negative pressure bucket foundation of…

Wang Liangliang, China director of the Global Wind Energy Council, said in response to a reporter's question after its offshore wind power webinar that market research showed that affected by the new coronavirus epidemic, some land-based projects had been postponed for 2-3 months or even longer, but the impact of…

On April 15, the North China branch of State Grid Corporation of China formally incorporated the vehicle network interaction (V2G) charging pile resources into the auxiliary service market for peak load regulation of North China power and officially settled the accounts. Through the V2G charging pile, electric vehicles expand from…