Medium Voltage Current Transformer Abb

Medium voltage indoor current transformers support post type tpu are cast in epoxy resin and are designed for insulation voltages up to 36 kv 40 5 kv.

Medium voltage current transformer abb.

This is why it is necessary to match the respective currents and voltages to the values appropriate to connected measuring protection and control. Current transformers cable type kokm are suitable for measuring of phase currents in medium voltage switchgear. Use and maintenance of current and voltage instrument transformers. A current transformer without primary conductor but with primary insulation of its own which can be used as a bushing.

Instrument transformers in the system 93 8 1 terminal designations for current transformers 93 8 2 terminal designations for voltage transformers 94. A current transformer without primary conductor and primary insulation of its own which can be mounted over an insulated cable or an insulated busbar. With abb s accurange current transformers hidden power at the low end of the range is detected and measured while mid range power is more finely metered for its true value. Indoor current transformers bushing type bb and bbo medium voltage current transformers bushing type bb and bbo are cast in epoxy resin and are designed for installation voltage up to 24 kv 25 kv.

At the same time the potential increase in upper range current will provide assets additional protection. The range of electric values in power supply systems is very extensive. Current and voltage measurements from 0 6 kv to 48 kv for the protection and monitoring of medium voltage power systems. Medium voltage products and systems.

Current transformers cable type kolma are suitable for the measurement of the sum of three phase currents in a 3 phase cable. Instrument transformers and sensors. Ca 230 800 kv scof 15 38 kv scxm 15 38 kv current transformer lb 30 5 330 kv current transformer lvb imt 40 5 550 kv current transformer lvqb. Kolma is usually used together with earth fault protection relay.

Abb library is a web tool for searching for documents related to abb products and. The indoor dry type transformers are arranged to act as a support for the conductor in the primary circuit. 7 2 external disturbances on capacitor voltage transformers 89 7 3 mechanical stress on capacitor voltage transformers 90 7 4 seismic properties of abb s capacitor voltage transformers 92 8. Indoor ct bar primary bushing.

A current transformer without primary conductor and primary insulation of its own which can be mounted over an insulated cable or an insulated busbar. Free standing fiber optic current sensor focs fs for digital substations.