PERUSAHAAN UPS SURABAYA

This type of UPS, also called Off-line UPS, is connected in parallel to the normal AC source. The current is filtered in order to attenuate the most frequent forms of disturbance. In the event of a power problem the UPS transfers the load to the batteries to supply stabilised power: the inverter only switches on when the mains fails or fluctuates outside the input voltage tolerances of the EMI filter or if it is fitted with Automatic Voltage Stabiliser (AVS)... Power problems are caused by various sources such as distribution network faults, system switching, weather and environmental conditions, heavy equipment or simply just faulty maintenance... Data centres, servers, LAN nodes and telecommunication systems must always be protected against possible problems in the power supply. Sudden blackouts and variations in the mains supply may lead to system malfunctions and severe data losses. But even other electrical equipment can cause damage or inconvenience if there is a breakdown in..