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New & unused

HICO 135/180/225 MVA
358.8 kV / 34.5 kV gsu transformer for sale

358.8 kV high side / 34.5 kV low side

Equipment ID: 10161-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.

HICO transformer 10161-RC — supplied nameplate engineering drawing
Nameplate engineering drawing — listing 10161-RC. Select to view the full-resolution original.

Equipment specifications

Manufacturer
HICO
Equipment ID
10161-RC
Application
GSU transformer
Power rating
135/180/225 MVA
High-side voltage
358.8 kV
Low-side voltage
34.5 kV
Catalog condition
New & unused
Listed quantity
On request
Manufacture year
Not confirmed — drawing shows 202_
Tap changer
HV on-load tap changer; 16 lower / neutral / 16 raise positions
Manufacturer shown on drawing
HICO / Hyosung Heavy Industries
Serial number
10161040_0001
Nameplate drawing number
ETA111003
Instruction book
C41-4167-202008-8020-1000
Cooling stages
ONAN / ONAF1 / ONAF2
HV / LV rated power
135 / 180 / 225 MVA on both windings
Phase / frequency
3-phase / 60 Hz
HV rated voltage
358,800 V (drawing); earlier catalog entry stated 345 kV
LV rated voltage
34,500 V
Vector group (as printed)
YNyn0d1
HV tap range
394,680 to 322,920 V; neutral 358,800 V
HV / LV winding BIL
1,175 / 200 kV
HV neutral / LV neutral BIL
350 / 200 kV
Oil / winding temperature rise
65 °C / 65 °C
Conductor material
Copper
Insulating oil
ASTM D-3487 Type II
Impedance
Blank; base shown as 135 MVA
Losses / sound level
Blank; load loss and sound level bases shown as 225 MVA / ONAF2
Manufacture date field
Incomplete: 202_; final year not established
Country of manufacture
USA
Calculated core and coil weight
226,191 lb
Calculated tank and fittings weight
115,623 lb
Calculated insulating oil
109,907 lb / 14,501 gal
Calculated total weight
451,721 lb
Calculated shipping weight without oil
282,849 lb
Final weight fields
Blank; calculated values shown separately on drawing
Oil preservation system
Conservator; atmospheric pressure
Vacuum filling design
14.7 psi
CT continuous thermal current rating factor
2.0 for all CTs
HV / neutral protection CTs
C400, 1200/5 A multi-ratio
LV / neutral protection CTs
C400, 4000/5 A multi-ratio
Tertiary CT
C400, 1200/5 A multi-ratio; tertiary rating not specified
Metering CTs
HV 400/5 A; LV 2000/5 A; class 0.3B1.8
HV AVR / winding-temperature CTs
500/5 A, class 1.2B0.9
LV AVR / winding-temperature CTs
5000/5 A, class 1.2B0.9
Nameplate dimensions / material
550 × 400 mm; stainless steel, 1 mm (0.0374 in) thick
PCB note
No detectable PCB at manufacture, per drawing note

HV tap voltages

PositionVoltage (V)
16L394680
15L392438
14L390195
13L387952
12L385710
11L383468
10L381225
9L378982
8L376740
7L374498
6L372255
5L370012
4L367770
3L365528
2L363285
1L361042
NL / N / NR358800
1R356558
2R354315
3R352072
4R349830
5R347588
6R345345
7R343102
8R340860
9R338618
10R336375
11R334132
12R331890
13R329648
14R327405
15R325162
16R322920

Nominal winding currents

WindingVoltage (V)135 MVA (A)180 MVA (A)225 MVA (A)
HV358800217290362
LV34500225930123765

Individual tap-current and CT connection tables are retained in the full-resolution drawing. Some small-print values cannot be reliably transcribed from this scan; request the native drawing for engineering use. No tertiary voltage or MVA rating is populated.

Voltage correction from the supplied drawing

This catalog entry previously showed 345 kV. The supplied HICO nameplate drawing identifies a 358.8 kV high-voltage rating and 34.5 kV low-voltage rating. Confirm system compatibility and the required operating tap with your engineer; a nominal voltage-class description does not replace the unit rating.

The drawing says impedance, sound level, manufacture date, weight and losses will be engraved after factory testing. Calculated weights are planning references only.

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: 10161-RC. HICO. 135/180/225 MVA. 358.8 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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