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New & unused

SIEMENS 100/134/167 MVA
345 kV / 34.5 kV gsu transformer for sale

345 kV high side / 34.5 kV low side

Equipment ID: D2172-RC

Nameplate & engineering drawing

Original supplied document. Read the full-resolution drawing for winding diagrams, bushing layout, CT connections and drawing notes. Blank or placeholder fields are not verified final values.

SIEMENS transformer D2172-RC — supplied nameplate engineering drawing
Nameplate engineering drawing — listing D2172-RC. Select to view the full-resolution original.

Equipment specifications

Manufacturer
SIEMENS
Equipment ID
D2172-RC
Application
GSU transformer
Power rating
100/134/167 MVA
High-side voltage
345 kV
Low-side voltage
34.5 kV
Catalog condition
New & unused
Listed quantity
On request
Manufacture year
Not stated on supplied nameplate
Tap changer
HV on-load tap changer — Reinhausen VM III 350 Y 72.5/C–18353W
Manufacturer shown on drawing
Siemens Energy
Serial number / instruction book
T.040N.001659.01
Drawing number
D-21720, revision 0
Cooling stages
ONAN / ONAF / ONAF
Phase / frequency
3-phase / 60 Hz
Temperature rise
65 °C
HV voltage
345,000 V grounded wye / 199,185 V phase-to-neutral
LV voltage
34,500 V grounded wye / 19,918 V phase-to-neutral
Buried tertiary
13,800 V delta; 21 / 28 / 35 MVA
Vector group (as printed)
YNyn0+d1
HV tap range
379,500 to 310,500 V; nominal 345,000 V
HV winding / bushing BIL
1,050 / 1,300 kV
HV neutral winding / bushing BIL
150 / 150 kV
LV winding / bushing BIL
200 / 350 kV
LV neutral winding / bushing BIL
150 / 150 kV
Tertiary winding / bushing BIL
110 / 150 kV
Guaranteed HV–LV impedance
8.5% at 100 MVA, nominal tap; drawing guarantee, not measured test result
Measured impedance / no-load and load losses
Not populated; measured impedance to be stamped on nameplate
Country of manufacture
Mexico
Conductor material
Copper
Insulating oil
Mineral oil, Type II
Design altitude
Not exceeding 1,000 m above sea level
Oil preservation system pressure
+10.6 psi / 0 psi at tank base
Vacuum design
Tank, radiators and conservator designed for 14.7 psi full vacuum
Main-tank liquid level at 25 °C
175.78 in measured from tank bottom
Oil-level change
1.02 in per 10 °C
PCB note
Less than 2 ppm at time of manufacture, as stated on drawing
Estimated core and windings mass
163,539 lb
Estimated tank and fittings mass
71,038 lb
Estimated removable radiators mass
31,683 lb
Estimated conservator tank mass
4,222 lb
Estimated OLTC conservator mass
132 lb
Estimated load tap changer and motor drive mass
1,080 lb
Estimated transformer liquid
12,615 US gal / 90,537 lb
Estimated radiator liquid
1,088 US gal / 7,807 lb
Estimated main conservator liquid
846 US gal / 6,074 lb
Estimated auxiliary conservator liquid
7 US gal / 49 lb
Estimated load tap changer liquid
34 US gal / 247 lb
Estimated total liquid
14,590 US gal
Estimated total mass with oil
376,408 lb
Estimated total mass without oil
271,694 lb
Estimated shipping weight
213,341 lb
Nameplate dimensions / material
406 × 711 mm (16 × 28 in); stainless steel, 0.031 in thick
Drawing weight consistency
Displayed component masses and total without oil require reconciliation against final shipping documents

HV tap schedule

PositionVoltage (V)100 MVA (A)134 MVA (A)167 MVA (A)
16R379500152204254
15R377344153205256
14R375188154206257
13R373031155207258
12R370875156209260
11R368719157210261
10R366563158211263
9R364406158212265
8R362250159214266
7R360094160215268
6R357938161216269
5R355781162217271
4R353625163219273
3R351469164220274
2R349313165221276
1R347156166223278
NR / N / NL345000167224279
1L342844167224279
2L340688167224279
3L338531167224279
4L336375167224279
5L334219167224279
6L332063167224279
7L329906167224279
8L327750167224279
9L325594167224279
10L323438167224279
11L321281167224279
12L319125167224279
13L316969167224279
14L314813167224279
15L312656167224279
16L310500167224279

LV and buried tertiary currents

WindingVoltage (V)Rating stages (MVA)Current stages (A)
LV34500100 / 134 / 1671673 / 2242 / 2795
Buried tertiary1380021 / 28 / 35879 / 1171 / 1464

CT summary

LocationRatio / class
HV / H0 protectionMulti-ratio 100:5 through 1200:5; C800
Tertiary Yb protectionMulti-ratio 300:5 through 2000:5; C800
LV / X0 protectionMulti-ratio 500:5 through 4000:5; C800
HV / LV metering300:5 / 2000:5; 0.3B1.8
H2 WTI280:5; 1.2B0.9
X1 LDC / X2 WTI2800:5; 1.2B0.9
All CT thermal rating factor2.0

Document scope & verification

Specifications were transcribed from the supplied nameplate drawing. Confirm the final unit nameplate, factory test report, accessories and shipping configuration before purchase. Blank fields, asterisks and draft values have not been treated as final test results. Drawing dimensions describe the nameplate itself, not the transformer footprint.

Listing details

ID: D2172-RC. SIEMENS. 100/134/167 MVA. 345 kV / 34.5 kV. New/unused catalog condition. Ratings and technical details updated from supplied nameplate drawing; final test data and availability require confirmation.

Winding connections, secondary options, included accessories, and tap-changer details must be checked against the unit-specific nameplate and drawings. The description above preserves the listed configuration.

Plan the purchase and delivery

Review the transformer procurement checklist, the technical documentation guide, and delivery planning requirements.

Looking for a different unit? Browse new & unused inventory and pre-owned transformers, or ask about additional sourcing options.

Request the technical package

Ask our team for the records available for this equipment and confirmation of its current status.

  • Nameplate & winding diagram
  • General arrangement drawings
  • Equipment photographs
  • Factory or field test reports
  • Condition & service history
  • Dimensions & shipping weights

Document availability varies by unit. Pricing, location, lead time, warranty, and delivery scope are provided with the quotation.

How do I confirm availability?

Email the equipment ID or call (248) 250-0407. Equipment is subject to prior sale. Current availability and allocation are confirmed in writing.

Can you coordinate transportation and installation?

Yes. We coordinate shipment preparation, oil services, heavy haul, rigging, placement, and qualified installation support as an agreed project scope. Explore full-service solutions.

What purchase and warranty options apply?

Terms depend on the equipment, condition, seller, and agreed scope. Review purchase options and request a unit-specific quotation.

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