Single Phase Transformer

Single Phase Transformer

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Single Phase Transformer Features

SL No.Technical ParticularsData Specification
01 Design Standard ANSI C57.12.00. C57.12.20 & C57.12.90 (Revision from 2010 to the latest revision)
02 Type Single-Phage wound core
03 Winding Material High conductivity Copper
04 Core Material Cold Rolled Grain Oriented Silicon Strip Steel (CRGO)
05 Nominal Voltage HT=6350 V, LT=240 V
06 Basic Insulation Level (BIL) HT Winding= 95 KV
LT Winding= 30 KV or as per latest ANSI requirement
07 (a) % impedance at rated KVA (For 5 KVA to 167 KVA) 2.5% (with + 10% Tolerance)
(a)% impedance at rated KVA (b)(For 55 KVA to 167 KVA) 3% (with + 10% Tolerance)
08 Polarity Additive
09 Cooling Method Class- OA (Self Cooled)
10 Temperature Rise
(a) Winding Shall not exceed 65 C (Resistance method)
(b) Insulating Liquid Shall not exceed 65 C
11 Bushing
1. Type & Material Outdoor Type, Porcelain
2. Connectors Bolted ring type
3. Quality HT = 1, LT=2
4. Mounting Positions HT-on the tank cover
LT-on the tank side
12 Tank Tank
(a) Desing Sealed Type complete with cover & gasket
(b) Grd. Provision With bolted ring type connector
(c) LV grd. Provision With removable Cu strap
(d) Lifting Facilities Facilities for lifting the core & coil
(e) Support lug Shall have support lugs
(f) Pressure Released Device Self-sealing pressure release device
(g) Painting Light gray
13 Insulating Oil New, unused, mineral, oil as per ANSI/ASTM D3487-79
14 Losses
KVA
510151537.55075100
192535466575115140
1201902503804806008601120

(a) No Load in Watt (Max)
(b) Full Load Loss in Watt (Max)