What is portable power station / Family backup power station
Portable power station is a built-in lithium ion battery, its own electricity can reserve the outdoor multifunctional power supply, also known as the portable ac and DC power suppl
What is dry type transformer / Cast resin transformer
Dry-type transformers are widely used in local lighting, high-rise buildings, airports, terminal CNC machinery and equipment, etc. Simply speaking, dry-type transformers refer to transformers whose
What is grounding and earthing transformer
A grounding transformer is also called earthing transformer. Which is a type of auxiliary transformer used for generating a earthing fault current (when the fault occur) to neutral for relay protectio
What is Vacuum Circuit Breaker
What is vacuum circuit breaker? What is advantage of vacuum circuit breaker? Learn about information about Rockwill standard VCBs, difference of Indoor and outdoor vacuum circuit breaker manufacturers
What are the Standards for EV Charger
With the development of electric vehicles, it has penetrated into all aspects of people's lives and social production, whether it is family cars, taxis, online car-hailing, buses, logistics vehicles,
What is Rural Power Grid Transformation
Rural power grid transformation and upgrading refers to the new construction of rural power grid facilities such as substations and lines, as well as the local or overall local or remote construction, capacity increase and equipment replacement of existing rural power grid facilities.
What is Indoor SF6 Load Break Switch
The indoor SF6 load break switch is a kind of switching device with a simple arc extinguishing device which is installed in ring main unit and switchgear. It can be used for switching and breaking load current and overload current.
What is Outdoor Pole Mounted SF6 Load Break Switch
RPS type SF6 load break switch (SF6 LBS) is a pole-mounted load beaker switch independently developed by Wenzhou Rockwill Electric Co., Ltd. It is suitable for load current, overload current breaking and closing in a voltage range of 11~40.5kV distribution network ,also can automatically isolate faulty distribution lines.
What is Microcomputer Protection
The page introduce what is microcomputer protection. The content includes the advantages, features, application range, types, etc. Advantages of microcomputer protection include high reliability, high precision, great flexibility, easy to maintain and debug.
What is a AVR Step voltage regulator
What is a AVR step voltage regulator ? A step voltage regulator helps prevent a poor-quality signal from being sent over distribution lines to users. Step voltage regulators are mainly used in utility distribution applications for the disbursement of electrical signals to properties.
What is capswitch capacitor switch
What is capswitch capacitor switch? A Medium voltage or High voltage Capacitor switch or Capswitch is a special switchgear for application in switching capacitive load network. It can be vacuum type or SF6 gas type.
What is load break switch
China outdoor SF6 load break switch (LBS) which is a capable small fault current breaking switchgear. It is a disconnect switch that has been designed to provide making or breaking of specified currents.
What is Ring Main Unit RMU
Ring main unit (RMU) is a set of high voltage switchgear installed in the steel plate metal cabinet or made into an assembly interval ring network power supply unit. The core part adopts load break switch and fuse, which has the advantages of simple structure, small volume, low price.
What is compact substation CSS
What is compact substation CSS? The CSS Compact substation is actual a prefabricated eletric equipment unit which is comprising of MV / HV switchgear, Power Distribution transformer, LV switchboard, Connection busbar and other accessories.
What is Distance Protection Relay
What is Distance Protection Relay? Distance protection relay is the name given to the protection, whose action depends on the distance of the feeding point to the fault. The time of operation of such protection is a function of the ratio of voltage and current, i.e., impedance.