Power Factor Capacitor

Power factor is an index used to compute the efficiency level of electrical usage. The index is measured from 0 to 1. A higher index shows efficient usage of electricity and vice versa. Certain appliances have a power factor of 100%, meaning that they are 100% efficient. However, in some appliances whereby additional power is needed, Low power factor not only shortens the lifespan of electrical appliances but also constitutes a loss to both the consumer as well as TNB.

TNB Application

We provide experience team of executive to application the requirement power for case to case basis. We got a wide range of expert to handle those construction company, cement company, temporary site storage & etc. Under ground / over head & etc.

MSB Calibration

Refering to the AKTA BEKALAN ELEKTRIK 1990( AKTA 447), (SYARIKAT PENGGANTI 1990 AKTA 448) all the relays like earth fault /overcurrent/ ACB & main switchboard have to carry out service by competent person once every two (2) years, with the chop & sign report with registered Professional Engineer (PE).


A power transformer is most costly and essential equipment of an electrical transformer. So for getting high performance and long functional life of the transformer, it is desired to perform various maintenance activities. Not only that, a power transformer also requires various maintenance actions including measurement and testing of different parameters of the transformer. There are mainly two types of maintenance of transformer. We perform one group is in routine basis, and second group is as when required. That means for getting smooth performance from a transformer we have to perform some maintenance actions in regular basis. Some other type of maintenance of transformer we perform as when they are required. But if one performs regular maintenance properly, he may not have any provision of performing emergency maintenance. The regular checking and maintenance of transformer is also known as condition maintenance. Hence by proper condition maintenance one can avoid emergency and breakdown maintenance. That is why one technical personnel should mainly concentrate on condition maintenance. As 100% condition maintenance causes 0% breakdown of an equipment. There are many different maintenance action, to be performed on a power transformer. Some of them in yearly basis, some of them are monthly basis, some other are quarterly, some are half-yearly basis. These are mainly transformer maintenance action, which to be performed in 3 to 4 years interval.