Speedfax 2017

Siemens Unit Substation Solutions
Indoor Dry Type Transformer
Diagrams
Indoor - dry transformer
92.0 (2,337)
Swgr
gnd
(X0)
Five PEM nuts
3/ 8 -16 for
joining
switchgear
with
transformer
9.0 9.0
(229) (229)
H1 H2 H3
(X1)(X2)
(X3)
18.5 (470)
56.0 (1,422), 62.0 (1,575), 72.0 (1,829), or
82.0 (2,083) transformer to left of switchgear
(flush front transformer mounting)
A
36.0 (914)
A
Five PEM nuts
3/ 8 -16 for
joining
switchgear
with
transformer
9.0 9.0
(229) (229)
H1 H2 H3
(X3)(X2)
(X1)
18.5 (470)
Swgr
gnd
(X0)
92.0 (2,337)
56.0 (1,422), 62.0 (1,575), 72.0 (1,829), or
82.0 (2,083) transformer to left of switchgear
(flush front transformer mounting)
14 SWITCHGEAR
Footnotes:
1. This arrangement applies to indoor SIEBREAK switch 5 kV-15 kV up to 1,200 A termination with dry-type transformer termination.
2. Filler strips at the ends of the transformer must be provided by the transformer supplier in case the transformer exceeds 92” (2,337
mm) height and 56” (1,422 mm) depth.
3. If cables are to be used for connections to transformer, transformer supplier to provide and install cable connections including lugs
and insulation on terminals if required. Maximum 2 x 500 kcmil cables per phase.
4. If bus bars are to be used for connections to transformer, transformer supplier to provide and install required bus connections.
Transformer supplier also to provide and install flex connectors for connections to switchgear as well as insulation for flex
connectors.
5. Connect switchgear ground when continuous ground is required.
6. Transformer supplier to provide necessary hardware (except PEM nuts) for joining switchgear with transformer.
Siemens Industry, Inc. SPEEDFAX Product Catalog 14-49