Transformer High Voltage Fuse

600v 38kv fuses for instrument transformer circuit protection.

Transformer high voltage fuse.

Instrument transformers isolate high power voltage. Power fuses are a generally accepted means of protecting power transformers in distribution substations the primary purpose of a power fuse is to provide interruption of permanent faults. Transformer primary current ip p 1 732xvp transformer primary. Download high voltage fuses according to british standards hhb.

Transformer inrush current including the combined effects of transformer magnetizing inrush current and the energizing inrush currents associated with connected loads particularly following a momen. Medium voltage current limiting and expulsion fuses suitable for the protection of distribution transformers voltage transformers capacitor banks motor circuits and installations with other switching apparatus. Selection of fuses for the protection of transformers page 5 da te 10 95 b 3 3 revised 04 2004. The rated voltage of the fuse urf in kv must be greater than or equal to the rated voltage of the system.

This catalog provides features and ordering information for eaton s cooper power series oil immersed dual sensing weak link cartridge fuse which is an internal weak link expulsion fuse designed for use in transformer oil or approved equivalent and to be used on the high voltage or primary side of distribution transformers. Download high voltage fuses according to french standards hhf. High voltage cutout fuse breaker rating voltage 10 40 5kv ac 50hz three phase power transmission system. Download high voltage fuses according to german standards din norm hhd.

If you need assistance with circuit protection devices such as fuses or breakers or wire sizing please consult a licensed electrical contractor or electrician in your area who will be familiar with state and local codes. We manufacture high voltage vacuum circuit breakers for power equipments safety avoiding leakage and arc fault specialized in production of current transformer voltage transformer circuit breaker capacitor fuse load switch surge lightning arrester and eletric equipments. Catalogues high voltage fuses concerning this product group we provide the following catalogues. Calculate size of circuit breaker or fuse on primary and secondary side of transformer having following detail transformer details p 1000kva primary voltage vp 11000 volt secondary voltage vs 430 volt transformer impedance 5 transformer connection delta star transformer is in unsupervised condition.

Providing medium voltage fuses from stock is our primary focus. Capable to control full range of overload currents either in combination with switching apparatus or as sole protection. Selection guide for transformer primary fuses in medium voltage industrial commercial and institutional power systems 4.