Abb Current Transformer Wiring Diagram
Available from 25 kv to 800 kv for measurement protection and control.
Abb current transformer wiring diagram. A general overview of abb s current and voltage transformers. 7 4 seismic properties of abb s capacitor voltage transformers 92 8. 600 volt current transformers primary current window diameter in abb type ge iti equivalent abb product bulletin page 50 to 1000 2 5 imc n a 1vap428101 db 4 5 600 to 4000 5 5 clc n a 1vap428241 db 4 5 2000 to 6000 8 25 cle n a 1vap428261 db 6 7 750 to 4000 5 5 rlc n a 1vap428281 db 8 11 200 to 4000 5 75 deh 705 n a 1vap701011 db 12 13. Instrument transformers in the system 93 8 1 terminal designations for current transformers 93 8 2 terminal designations for voltage transformers 94 8 3 terminal designations for capacitor voltage transformers 95 8 4 secondary grounding of current transformers 96.
Current transformers inductive voltage transformers capacitive voltage transformers combined current voltage transformers and station service voltage transformers are designed to transform high current and high voltage levels down to low current and low voltage outputs in a known and accurate proportion specified by the. Maximum allowed cantilever strength is. 3 introduction 4 types of construction 6 performance characteristics 8 accuracy classifications for metering 12. Auxiliary contacts no oa1g10 1.
Ui l1 l3 phase l1 3 voltage measuring terminal 5. The range of electric values in power supply systems is very extensive. Current transformers 5000 n. Qf1 switch fuses ot os otm osm 7.
Instrument transformers and sensors current and voltage measurements from 0 6 kv to 48 kv for the protection and monitoring of medium voltage power systems. In case of bus ct there must be always con nected ct shielding to the primary bar. Utilities can collect additional revenue without having to increase rates per kilowatt hours simply by improving the range and accuracy of metering. 37 this section is complemented with photographs and describes the specific classes and uses for instrument transformers.
Used on motor version otm and osm 6. K51 its module 2. Voltage transformers 2000 n. Abb s accurange current transformer portfolio offers low and medium voltage high accuracy extended range transformers for secondary and primary revenue metering applications.
Ti l1 l3 phase l1 3 current sensor legend 4.