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New & unused

SIEMENS ENERGY 24.49 MVA
34.5 kV / 4 × 555 V rectifier transformer aggregate for sale

34.5 kV high side / 4 × 555 V low side

Equipment ID: 519195-TT

Equipment specifications

Manufacturer
SIEMENS ENERGY
Equipment ID
519195-TT
Application
Rectifier transformer aggregate
Power rating
24.49 MVA
High-side voltage
34.5 kV
Low-side voltage
4 × 555 V
Catalog condition
New & unused
Listed quantity
4
Manufacture year
2025
Tap changer
MR VM III 500 Y; see unit-specific tap schedule
Phase / frequency
Three-phase / 60 Hz
LV winding rating
4 × 6.122 MVA
Cooling
OFWF (oil forced / water forced)
Conductor material
Copper
Country of manufacture
Indonesia; designed in Germany
Factory
PT Trafoindo Power Indonesia
Transformer type
MDSJ6746G + 2 × TDAJ7046G
Serial numbers
D519195, D519196, D519197, D519198
Nameplate specification
ANSI C57.12.00
HV insulation level
LI 200 kV / AC 70 kV
LV insulation level
AC 10 kV
Oil
Shell Diala S4 ZX-I
Oil volume at 20 °C
20.6 m³ per aggregate
Maximum water inlet temperature
35 °C
Maximum ambient temperature
45 °C
Oil / winding temperature rise
55 K / 55 K

Four matching 2025 units

This listing covers serial numbers D519195, D519196, D519197 and D519198. Each aggregate has a 24.49 MVA high-voltage rating and four 6.122 MVA low-voltage windings. All four are listed as new and unused.

Rectifier-duty configuration

These are purpose-designed rectifier transformer aggregates for thyristor service, with phase-shifted secondary windings and forced oil / water cooling. Confirm the winding connections, vector group, tap positions, cooling-water requirements and rectifier interface against the unit-specific drawings before selection. Rectifier equipment, cooling auxiliaries and other accessories included in the sale must be confirmed in the quotation.

Unit-specific nameplate data

The plates share the same principal ratings, but measured impedance differs by serial number. Request the applicable nameplate and test package for each unit. Current location, price, delivery schedule and warranty terms are provided with the quotation.

Listing details

Four new and unused Siemens Energy three-phase liquid-immersed rectifier transformer aggregates. 24.49 MVA total HV rating; four 6.122 MVA LV windings; 34.5 kV primary; four 555 V secondary windings. 60 Hz, OFWF cooling, copper conductors. Manufactured 2025 in Indonesia, designed in Germany. Serial numbers D519195, D519196, D519197 and D519198. Pricing, current location, delivery schedule and included accessories on request.

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.

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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