Abb Current Transformer Wiring Diagram
Vv the ip 5 a ratio current transformer delivers at the secondary a current is of 0 to 5 a that is proportional to the current measured at the primary ip.
Abb current transformer wiring diagram. Both designs can be mounted directly over the ilv terminals of pad mounted distribution transformers. Application diagram of a ct. A current transformer is ideally a short circuited transformer where the secondary ter. Graphical symbols for diagrams created date.
1 1 2 2 this equation gives current transformation in proportion to the primary and secondary turns. Instrument transformer connections a. 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. Abb current poles c designates a single current circuit non shorting pole with a current test jack and a black handle.
Current poles with other color handles are available by replacing the c with the appropriate designation per chart on page 6. Abb manufactures instrument transformers according to ansi iec gost gb bs and din standards and other standards if required. Abb s transformer protection relays are used for protection control measurement and supervision of power transformers unit and step up transformers including power generator transformer blocks in utility and industry power distribution networks. The cmv transformer is designed for padmounted distribution transformer metering.
It is available in two external designs tapered bottom and wide bottom for adaptability to a variety of mounting arrangements. Abb library is a web tool for searching for documents related to abb products and services. Each current pole can also be described with 2 characters c1 to c9. The common laws for transformers are valid.
This allows them to be used in combination with measurement equipment.