Copyright 2002 ABB BA Distribution Transformers 11222020 1

INDEX Range n Standard Features n Optional Features n Routine Tests n Type Tests

RANGE Single phase n 15 k. VA to 100 k. VA n Smaller k. VA available on request n Voltage level - primary voltage of up to 36 k. V n Units manufactured to IEC, EATS or Special requirements © Copyright 2002 ABB. BA Distribution Transformers 11/22/2020. 1 LIE 900002 -PRS n

STANDARD FEATURES Sealed or free breathing tank n Hot dip galvanised tank n Lifting lugs n Rating plate and connection plate n Earth tag n Upper and lower pole mounting brackets © Copyright 2002 ABB. BA Distribution Transformers 11/22/2020. 1 LIE 900002 -PRS n

OPTIONAL FEATRUES Lid or turret mounted bushings n 2 or 3 wire arrangement n Internal HT fuses n Single or dual ratio n Off circuit tap switch or internal link board n Arcing horns n Surge arresters n Oil level on free breathing units © Copyright 2002 ABB. BA Distribution Transformers 11/22/2020. 1 LIE 900002 -PRS n

ROUTINE TESTS Each transformer produced is routine tested in accordance with IEC 76 n The tests performed are: © Copyright 2002 ABB. BA Distribution Transformers 11/22/2020. 1 LIE 900002 -PRS n n Winding resistance n Voltage ratio and phase displacement n Short-circuit impedance and load loss n No-load loss and current n Dielectric

TYPE TESTS n Type tests are performed on each new design per IEC 76 n List of type tests performed © Copyright 2002 ABB. BA Distribution Transformers 11/22/2020. 1 LIE 900002 -PRS n n Temperature Rise n Impulse Test Short circuit tests can be performed on request. This is a special test described in IEC 76 part 5.

WHY USE ABB? n Manufacture complies with: -ISO 9001 Quality system -ISO 14001 Environment Management System (Certification due Q 1 2003) Transformers are successfully in operation for over 50 years n Units designed using proven ABB common technology n Units can be optimised to suit particular loss requirements n ABB is a volume producer © Copyright 2002 ABB. BA Distribution Transformers 11/22/2020. 1 LIE 900002 -PRS n n ABB has experience of many specifications

WHY USE ABB? Short cycle times leading to shorter lead-times n The galvanised tanks ensure long life n Good quality and reliability n Pressure testing insures leak free products n Units have been successfully short circuit tested © Copyright 2002 ABB. BA Distribution Transformers 11/22/2020. 1 LIE 900002 -PRS n

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