2022-10-05
Chinese automakers are expanding their global presence by making acquisitions and scaling up exports, which is all driven by their increasing competitive edge, especially in terms of electric vehicles.Zhejiang Geely Holding Group, China's largest private carmaker, said on Friday that it has acquired a 7.6 percent st…
2022-10-05
WASHINGTON -- The US national debt has surpassed $31 trillion for the first time amid higher interest rates, raising concerns about fiscal sustainability.The total public debt outstanding reached $31.1 trillion on Monday, including $24.3 trillion in debt held by the public and $6.8 trillion in intergovernmental holdings…
2022-10-05
Former US president Donald Trump has filed a lawsuit against CNN for defamation and is seeking $475 million in punitive damages.The 29-page lawsuit filed Monday in the US District Court for the Southern District of Florida claims that the cable network harmed his reputation with "false, defamatory, and inflammatory…
2022-10-05
President urges geological workers to play a bigger part in mineral explorationPresident Xi Jinping has encouraged a team of geological workers in Shandong province to carry forward fine traditions, play a bigger role in mineral resource exploration and make greater contributions to ensuring the nation's energy reso…
2022-09-28
Construction was completed on a high-profile bridge in Guizhou on Monday, which when open will reduce travel time in the province and promote local economic development.The Ganxi Grand Bridge, spanning 1,220 meters, is a key project of an expressway in Guiding county of Guizhou.The bridge, which spans a reservoir in Gan…
2022-09-28
Commerce official downplays softer demand, swears by nation's positivesDespite softer overseas demand, China's foreign trade is expected to grow during the second half of the year and help fuel the upward momentum of the Chinese economy, a senior commerce official said on Tuesday.Wang Shouwen, vice-commerce mini…
2022-09-28
President visits exhibition that showcases China's key achievementsPresident Xi Jinping called on Tuesday for the entire Chinese people to unite in writing a new chapter in comprehensively building a modern socialist country and securing new victories for socialism with Chinese characteristics.Xi, who is also genera…
2022-09-28
Construction work on the pipeline runs from Wuqia county in Northwest China's Xinjiang Uygur autonomous region to Zhongwei city in Ningxia Hui autonomous region kicks off on Sept 28, 2022. [Photo/CCTV]BEIJING -- Construction work on the fourth pipeline of a mega power transmission project that transports natural gas…
2022-09-20
In the power system, power fittings are a kind of metal fittings that can transfer mechanical loads, transfer electronic loads and provide protection. They can be used to connect and combine into various devices. In the power supply system, the power fittings used need to withstand greater tension to ensure the normal c…
2022-09-20
The insulators should be handled with care and placed to avoid rubbing and colliding with hard objects such as iron parts and tools.When the product is hoisted, the knot should be tied to the end attachment. It is strictly forbidden to hit the umbrella group or sheath. When the rope must touch the umbrella group and th…
2022-09-20
Under the action of environmental factors, organic materials will undergo various physical and chemical changes, deteriorating their performance. The combined effect of electric field, mechanical load and environmental factors will further aggravate the degradation process. Studies have shown that surface discharge and …
2022-09-20
The effect of using anchoring accessories in power fittingsAccording to its main performance and purpose, power fittings can be divided into the following categories.Suspension accessories. Also called support accessories or hanging clips. Suspension accessories are mainly used to suspend insulated wires (mainly used fo…
2022-09-20
The equipment used to support and insulate wires is called an insulator. The insulator device is made of glass and is called a glass insulator. Currently, tempered glass insulators are the most widely used in circuits.Insulators are usually made of glass and porcelain. Mainly used to fix wires on wires, etc., and to ins…
2022-09-20
Suspension insulators are usually made of insulating parts (such as porcelain, glass) and metal accessories (such as steel feet, iron caps, flanges, etc.) glued with glue or mechanically clamped. Insulators are widely used in power systems and generally belong to external insulation and can work under atmospheric condit…
2022-09-20
Zero value self-breaking, easy to detectTempered glass insulators have the characteristics of zero-value self-breaking. As long as the observation is on the ground or on a helicopter, there is no need to climb the poles to detect piece by piece, which reduces the labor intensity of workers.The products introduced into t…
2022-09-20
What are the characteristics and uses of high and low voltage pin insulatorsPin-type insulator [Tianheng Power] is a component used to support or suspend wires and form electrical insulation between the pole and the wire. Pin-type ordinary ceramic insulators, ceramic parts and cast steel are glued together with cement a…
2022-09-20
Formation of line insulatorsSome enhancers are located upstream of the promoter and some are located downstream, so the effect of the insulator does not depend on the relative position of the insulator and the promoter.Therefore, the reason for the directionality of the insulator effect has not really been clarified. It…
2022-09-20
What types of insulators are commonly used in overhead power linesInsulators used in overhead transmission lines have similarities and differences with those commonly used in distribution lines. The insulators used on distribution lines mainly include pin-type insulators, column-type porcelain insulators, suspension ins…
2022-09-20
There are several materials of insulators used in overhead linesCommonly used insulators for overhead distribution lines are pin insulators, column porcelain insulators, suspension insulators, butterfly insulators (also known as tea table porcelain bottles), rod porcelain insulators, pull-wire porcelain insulators, cera…
2022-09-20
How many volts are the 27 insulators?500kV transmission line. About 1 insulator is 6-10kV. Insulator is a special insulation control that can play an important role in overhead transmission lines. In the early years, insulators were mostly used for telegraph poles, and slowly developed a lot of disk-shaped insulators hu…