Important news: No.1. Rockwill attend Dubai MEE Exhibition 2020 No.2: Rockwill's pole mounted load break switch passed the KEMA type test!
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1.0 SAFETY NOTICESRCW Type recloser should be installed within the design limitations as described on its nameplate and in these instructions.Follow your company’s safety procedures.This recloser should not be used by itself as the sole means of i
Date:2020-01-07 View:193
What is Grounding?Grounding refers to connecting the neutral point, shell or bracket of the equipment and electrical device with the grounding device by conductor. This is the way to prevent electric shock and equipment damage.      Function of g
Date:2019-12-26 View:310
introduction single word The signal words "danger""warning"and "caution" used in this manual indicate the degree of hazard that maybe encountered by the user.these words are defined as: Danger- indecates an imminently hazardous situation that,if not
Date:2019-09-17 View:387
What is Distance Protection Relay?? The general line is uniform. Then, the equivalent impedance of the line is related to the length of the line. Suppose the impedance per unit length of the line is z. Then the equivalent impedance Z=zL.L is the leng
Date:2019-08-29 View:795
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.-Rockwill Electric's VCB
Date:2019-06-15 View:1099
What is CSS compact substation? - A CSS Compact substations is actual a prefabricated eletric equipment unit which is comprising of MV & MV switchgear, Power & Distribution transformer, LV switchboard, Connection busbar and other accessories
Date:2019-05-09 View:1325
What is RMU, Ring main unit A Ring Main Unit (RMU) is a totally sealed with SF6 gas or other insulation material, Rockwill's RMU is a gas-insulated compact switchgear unit.A ring main unit (RMU) which is a factory assembled, metal enclosed set
Date:2019-04-09 View:1379
What is load break switch A load break switch ie. on load break switch (LBS) which is a capable small fault current breaking switchgear. It is not like VCB or GCB which can even breaking short circuit current, Thus load break switch is actual a on
Date:2019-04-04 View:1598
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. This special Capswitch or capacitor switch can be vacuum type or SF6 gas
Date:2019-03-20 View:836
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 disbursemen
Date:2019-03-01 View:2071
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