This is why it is necessary to match the respective currents and voltages to the values appropriate to connected measuring protection and control.
Medium voltage current transformer abb.
The indoor dry type transformers are arranged to act as a support for the conductor in the primary circuit.
A current transformer without primary conductor and primary insulation of its own which can be mounted over an insulated cable or an insulated busbar.
Instrument transformers and sensors.
At the same time the potential increase in upper range current will provide assets additional protection.
Kolma is usually used together with earth fault protection relay.
Abb s accurange current transformer portfolio offers low and medium voltage high accuracy extended range transformers for secondary and primary revenue metering applications.
A current transformer without primary conductor but with primary insulation of its own which can be used as a bushing.
Utilities can collect additional revenue without having to increase rates per kilowatt hours simply by improving the range and accuracy of metering.
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.
Use and maintenance of current and voltage instrument transformers.
Free standing fiber optic current sensor focs fs for digital substations.
Current transformer imb 36 800 kv current transformer tg 72 5 800 kv current transformers type pa.
The range of electric values in power supply systems is very extensive.
Current transformers cable type kokm are suitable for measuring of phase currents in medium voltage switchgear.
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.
Indoor ct bar primary bushing.
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.
Instrument transformers in the system 93 8 1 terminal designations for current transformers 93 8 2 terminal designations for voltage transformers 94.
Abb library is a web tool for searching for documents related to abb products and.
Current transformers cable type kolma are suitable for the measurement of the sum of three phase currents in a 3 phase cable.
Medium voltage products and systems.
A current transformer without primary conductor and primary insulation of its own which can be mounted over an insulated cable or an insulated busbar.
