Rockwill Electric Group
Oil-immersed Power Transformer Installation and Operation Manual. The instruction manual applies to the low-loss oil-immersed power transformers with the capacity up to 6300KVA.
Date:2021-03-17 View:1099
is a kind of indoor and outdoor compact distribution equipment. It combines the high voltage switch equipment, distribution transformers and low voltage power distribution equipment together.
Date:2020-12-28 View:1272
Basic knowledges about distribution transformer, including definition, types like oil immersed type, dry type, pad mounted type, pole mounted type. Distribution transformer is a transformer that provides the final voltage transformation in the electric power distribution system, stepping down the voltage used in the distribution lines
Date:2020-07-17 View:2487
Recloser and Sectionalizer Coordination --Achieving Distribution Line Automation under Traditional Condition -- -- Realizing Distribution Automation without SCADA System -- #recloser #sectionalizer #distribution automation #Semi Smartgrid
Date:2020-06-03 View:3133
Explain difference between AIS and GIS. MV switchgear is an important part of power distribution system for maintaining the continuity of service, and you have to consider some different aspects based on your needs before selecting a suitable MV switchgear.
Date:2020-06-03 View:2150
What is ACR Auto Recloser? Auto recloser (ACR) also named automatic circuit recloser is recognized by electric utilities throughout the world as an essential device for achieving their prime goal: providing maximum continuity of electric service to customers.
Date:2020-05-10 View:2543
The article introduce some differences between dry type transformer and oil immersed transformer. It can help you understand these two different types and help you make desicions.
Date:2021-10-20 View:681
Difference Between DC Charging and AC Charging. AC charging has lower power, requires longer charging time, but has less loss to the battery. On the contrary, DC charging pile has higher charging power, faster charging, but has greater loss to the battery.
Date:2021-09-22 View:426
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.
Date:2019-08-29 View:1169
The professional VCB vacuum circuit breaker manufacturer. Rockwill Electric is the professional manufacturer and designer and patent woned factory of Medium voltage and high voltage VCB vacuum circuit breaker from China.
Date:2019-06-15 View:1085
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.
Date:2019-05-09 View:1090
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.
Date:2019-04-09 View:1867
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.
Date:2019-04-04 View:2062
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.
Date:2019-03-20 View:715
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.
Date:2019-03-01 View:1007
Details introduction about outdoor auto vacuum recloser which manufactured by Rockwill Electric. This page will help learn more knowledges about RCW auto recloser as improvements in parts and assemblies are made.
Date:2020-01-07 View:1604
What is SiC silicon carbide? What is the advantage of SiC semiconductor? Where is SiC used? What is the specific application of silicon carbide SiC semiconductor in electric vehicles?
Date:2022-04-28 View:72
FAQs about EV Charger. What is EV charger? What is the charging principle of EV charger? What are the types of EV chargers?
Date:2022-04-20 View:125
Complete FAQs guide for Ring Main Unit for helping you learn knowledges about ring main unit. 1. What is ring main unit? 2. What are the functions of ring main unit? 3. What are the types of ring main unit? 4. What are the advantages of ring main unit?
Date:2022-04-14 View:208
Whole complete FAQs guide about compact substation for helping you being a specialist of compact substation.(Continuously Updated)
Date:2022-04-13 View:139
Many people are confused about the difference of power transformer and distribution transformer. In fact, there are many difference between them, and this article will help you fully understand their differences.
Date:2022-03-02 View:371
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.
Date:2021-10-30 View:285
Application Reason of Step Voltage Regulators: The voltage on modern distribution circuits is becoming increasing difficult to manage. New distributed energy resources, such as solar, combined with the growth of sophisticated loads creates voltage challenges on distribution network systems. Existing voltage control devices cannot maintain a consistent voltage profile.
Date:2021-09-28 View:334
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.
Date:2021-09-18 View:363
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.
Date:2021-09-17 View:308
At present, most enterprises are connected to the power grid by using 33kV box type prefabricated compact substation built by themselves. Therefore, the quality control of box type substation is very important, This not only affects the reliability of power supply, but also has a great impact on the normal operation and economic benefits of the enterprise.
Date:2021-04-10 View:403
What happens if there is gas leakage in the ring main unit? The page explains some influence of Ring Main Unit Gas Leakage Problem.
Date:2021-01-05 View:620
Ring Main Unit: indoor ac high voltage gas insulated metal-enclosed switchgear (RMU) is a new generation of switchgear equipment, the main switch can either use permanent magnetic vacuum circuit breaker or spring mechanism vacuum circuit breaker.
Date:2021-01-05 View:1003
Common faults and solutions of LV / MV switchgear. Including reject closing and opening, abnormal sound, locking failure, light out, remote control failure, indicator failure, etc.
Date:2020-12-28 View:929
Step Voltage Regulator - A device which will provide a constant voltage output under varying input voltages and load currents. Regulating +10% voltage and –10% voltage. Including auto transformer, load tap changer, voltage regulator control.
Date:2020-12-24 View:916

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