70mva Furnace Transformer | RFQ Sourcing Details
Electronics Industry · Quote on request
This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.
Product specs
Buyer's Digest
Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Electronics Industry. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.
Original product description
70mva electric arc furnace with serial reactor Standard IEC 76, VDE 0532 Rated Power, nominal 70 MVA Winding / oil temperature rise 55 / 50 °C Operating Voltage / Frequency 33 kV / 50. Hz Rated lightning impulse withstand voltage 170 kV Secondary Insulation Level, min. 4 kV Impedance Voltage to be defined e.g.
6 up to 12 % Output connection Closed delta Furnace Transformer Tap Changer Tap Changer On-Load Number of taps 17 Secondary voltage / current - Max. Sec Voltage 980 V - Ref. Sec. Voltage 550 V - Min. Sec. Voltage 400 V - Max.
current 61 kA Technical Description: The operating voltage is set on the primary voltage side using a motor-operated onload tap changer. This tap changer is installed inside the transformer tank in a separate compartment.
Furnace Transformer Protective Facilities For the transformer protection beside other, the following main equipment is foreseen: Buchholz protection Oil liquid level gage with alarm . The protection facilities feature either audible or visual signals.
In the event of a fault, the transformer is immedia inlet temperature Max. 35 °C Technical Description: The windings of each ladle furnace transformer are cooled by the transformer oil. The transformer will be provided with one-oil pumps and one double core heat exchanger.
The oil-circulating pump conveys the oil through an oil/water cooler, where the heat is transferred from the oil to the cooling water. Serial Reactor The transformer can be equipped with a serial reactor, which allows operating the furnace as high impedance furnace.
The reactor will be connected to the primary side of the transformer and will be equipped with off-load tap changer for optimization of the different process stages. The reactor can be installed inside and outside of the ladle furnace transformer tank.
Serial reactor Main Data Type Air Insulated Phase Reactance 0 - 5 Ohm Tap changer On-load, Taps 5
70mva | Applications and Buyer Notes
70mva is organized as a sourcing-ready Electronics Industry reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time questi
Applications
- Initial shortlist building for related product or supplier options.
- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Electronics IndustryBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
- Type
- Air Insulated Phase Reactance 0-5 Ohm Tap changer On-load, Taps 5Based on visible page data; confirm exact value in the RFQ.
- feature
- either audible or visual signals. In the event of a fault, the transformer is imBased on visible page data; confirm exact value in the RFQ.
- voltage
- is set on the primaryBased on visible page data; confirm exact value in the RFQ.
- Standard
- IEC 76, VDE 0532 Rated Power, nominal 70 MVA Winding / oil temperature rise 55 /Based on visible page data; confirm exact value in the RFQ.
- Frequency
- 33 kV / 50Hz Rated lightning impulse withstandBased on visible page data; confirm exact value in the RFQ.
Buyer tips
- State quantity range and split-delivery needs before price comparison.
- Add certification, material or inspection standards when they affect acceptance.
- For time-sensitive projects, include target arrival date and destination.
- For special applications, describe operating condition, installation environment and duty cycle.
FAQ
What should buyers confirm first?
Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.
Can buyers inquire when specs are incomplete?
Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.
How should this listing be evaluated?
Check title, category, specifications and related keywords against the actual sourcing requirement.
Source mix: ugc
Key specifications
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