Product Overview
This type of transformer is suitable for current and electric energy measurement and relay protection in 50Hz 66kV power system. The product is a fully sealed porcelain box oil-paper insulated chain structure with three or four secondary windings. The primary winding is made into two sections. Through different wiring methods of the outlet terminals on the oil conservator, two current ratios can be obtained. The body is installed in a porcelain box and fixed on the base, the secondary outlet is led out by a small porcelain sleeve, and a metal expander is installed on the oil storage tank.
This product is suitable for altitude below 1000m, ambient temperature -30℃ ~+40℃
Technical Parameters
RatedVoltag(kv) | RatedCurrent
Ratio(A) |
ClassCombina
tion |
Accuracyclass | Accuracyclass | Accuracy1iit factor | Accuracy1iit factorAccuracy1iit factor | (kA)Ratedsharttime thermalcurrent | Rateddynamicsta
blecurrent |
Rated in sulation Level (kv) |
Specificcreepage
Distance Cm/kv |
0ilWeight | Tolalweight | |
Full turnnumbe | Tap0.5class | ||||||||||||
66 | 2×252×750/5 |
p/p/0.2 P/P/0.2 P/P/0.2S P/P/0 .5/0.2S
|
5P 10P | 50 | 15 | Subtractive | 2.7~50 | 6.8~125 | 72.5/ 140/ 325 | 1.8 | 100 | 440 | |
0.5 | 50 | ||||||||||||
0.2 | 50 | ||||||||||||
0.2S | 40 | ||||||||||||
2×300/5 (Tap of measur ement class) |
P/P/0.5P/P/0.2P/P/0.2SP/P
/0.5/0.2S |
5P 10P | 50 | 15 | 25~50 | 62.5~125 | |||||||
0.5 | 50 | 30 | |||||||||||
0.2 | 50 | 30 | |||||||||||
0.2S | 40 | 30 | |||||||||||
2×400/5(Tap ofmeasurement class) |
P/P/0.5 P/P/0.2 P/P/0.2S P/P/0.5 /0.2S |
5P 10P | 50 | 15 | 25~50 | 62.5~125 | 2.5 | ||||||
0.5 | 50 | 30 | |||||||||||
0.2 | 50 | 30 | |||||||||||
0.2S | 40 | 30 | |||||||||||
2×500/5(Tap ofmeasurement class) |
P/P/0.5 P/P/0.2 P/P/0.2S P/P/0.5 /0.2S |
5P 10P | 50 | 15 | 25~50 | 62.5~125 | |||||||
0.5 | 50 | 30 | |||||||||||
0.2 | 50 | 30 | |||||||||||
0.2S | 40 | 30 |
Appearance And Installation Dimension