Switchgear is a vital component of any power system, as it plays a crucial role in controlling, protecting, and isolating electrical equipment and circuits. It is essentially a combination of electrical disconnect switches, fuses, and other components that are used to control, protect, and isolate electrical equipment and circuits.
Switchgear is classified into two main categories: high-voltage and low-voltage switchgear. High-voltage switchgear is used in power transmission and distribution systems, while low-voltage switchgear is used in industrial, commercial, and residential electrical systems.
There are several types of switchgear, including air-insulated switchgear, gas-insulated switchgear, and oil-insulated switchgear. Air-insulated switchgear uses air as an insulating medium, while gas-insulated switchgear uses a dielectric gas, such as sulfur hexafluoride (SF6), to insulate the equipment. Oil-insulated switchgear uses oil as an insulating medium.
One of the main functions of switchgear is to protect electrical equipment and circuits from overcurrents, which can damage or destroy the equipment. Overcurrent protection is achieved through the use of fuses or circuit breakers, which are designed to open the circuit when an overcurrent is detected.
Switchgear is also used to control the flow of electricity in a power system. This is done through the use of switches, which can be manually or remotely operated to open or close circuits. This allows electrical power to be directed to where it is needed, and it also allows maintenance to be performed on equipment without interrupting the flow of electricity.
In addition to its control and protection functions, switchgear is also used to isolate electrical equipment and circuits. This is done through the use of disconnect switches, which can be manually or remotely operated to open a circuit and physically separate electrical equipment from the power source. This is important for safety purposes, as it allows electrical equipment to be de-energized before maintenance or repair work is performed.
ABB Sakti Industri, PT
Manufacturer of Power Transformers, Switchgear
Contact: Phone: +62 21 2551 5555 Fax: +62 21 2551 5566 E-mail: turbo@id.abb.com
Website: www.new.abb.com
Alstom Grid, PT
Supplier of Switchgear
Contact: Phone: (62 21) 29244500 Fax: (62 21) 29244504
Website: www.alstom.com
Areva Distribution, PT
Supplier of Switchgear
Contact: Phone: (62 21) 4603480 Fax: (62 21) 4603486
Website:
Arliscoputra Hantama, PT
Supplier ofOrmazabal switchgear
Contact: Phone: (62 21) 5592351 Fax: (62 21) 5592350
Website: www.arlisco.co.id
CG Power Systems Indonesia, PT
Manufacturer of Switchgear
Contact: Phone: (62 21) 8230430/36 Fax: (62 21) 8230268/42/22
Website: www.cgglobal.com
Deltajaya Engineering, PT
Manufacturer of Switchboard
Contact: Phone: (62 31) 8071213
Website: www.deltajaya.com
Guna Usaha Technolindo, PT
Supplier of Switchgear
Contact: Phone: (62 21) 6242408 Fax: (62 21) 6240839
Website:
Hitachi Asia Indonesia, PT
Supplier of Switchgear, etc
Contact: Phone : (62 21) 2358 6757 Fax : (62 21) 23586755 Email: hmarwan@hitachi.co.id
Website: www.hitachi.co.id
Industira, PT
Manufacturer switchgear upto 24 kV, Control relay panel, LV distribution and lighting panel
Contact: Phone: (62 21) 5522589 Fax: (62 21) 5522364 Email: marketing@industira.com
Website: www.industira.com
KM Niaga, PT
Supplier of Switchgear and switchboard
Contact: Phone (62 21) 559557584 Fax: (62 21) 55957547 Email: kmniaga@cbn.net.id
Website: www.kmniaga.com
Meiden Engineering Indonesia, PT
Supplier Switchgear, Transformer, etc
Contact: Phone: (62 21) 5200612 Fax: (62 21) 5200240 Email: sales@meiden-indonesia.com
Website: www.meiden-indonesia.co.id
Schneider Indonesia, PT
Supplier of Switchgear, Transformer, etc
Contact: Phone: (62 21) 1500055 ; Email: customercare.id@schneider-electric.com
Website: www.schneider-electric.com
Siemens Indonesia, PT
Supplier of Switchgear
Contact: Phone : (62 21) 27543000 Fax: (62 21) 27543333
Website: www.siemens.com