IG-245-EN version 05; 13/02/2020
4
Description and main characteristics
General Instructions
mb
.m
1. Description and main characteristics
Ormazabal
's
mb
.m transformer substation is a frame-
mounted prefabricated metal transformer substation,
installed at ground level with outdoor operation, reduced
visual impact, standard-built, tested and supplied from the
factory as a single unit.
The
mb
.m transformer substation is designed following the
requirements set out in Standard IEC 62271-202.
mb
.m is designed for installations in electrical networks
with rated voltage up to 40.5 kV in alternating current. Its
reduced weight and dimensions enable easy handling and
transport.
Optionally the
mb
.m can be supplied tested to internal
arc IAC-AB 20 kA 1 s, in accordance with Standard
IEC 62271-202.
1.1. Elements of the mb
.m
Ormazabal
's
mb
.m transformer substation is characterised
by the fact that it includes outdoor medium voltage
switchgear and a metal frame-mounted outdoor-type
transformer unit.
The low voltage outputs model also includes low voltage
switchgear.
The main elements of the
mb
.m are:
• Medium voltage switchgear.
• Transformer unit.
• Metal frame assembly.
• Low voltage switchgear (in the low voltage outputs
model only).
Содержание velatia mb.m Series
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