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A dual-powered 12-pulse parallel resonant medium frequency power supply with a single output can work with one electric furnace (commonly known as one-to-one) and the other furnace body is spare.
The power cabinet and the furnace body use their own independent closed-circuit circulating water system, including closed-circuit cooling towers, heat exchangers, etc. All water cooling system pipelines are non-ferrous metals and stainless steel, and there are no rusty iron parts.
The rectifier transformer uses a primary high voltage to reduce the input voltage suitable for the medium frequency power supply. The primary voltage is 10KV, and the secondary adopts DY11, d0 wiring 12-pulse rectification form.
Equipment Details:
15t medium frequency furnace project, the project covers the process, design, manufacturing, supply, installation, commissioning and function realization of the whole set of equipment
| Mainly Including |
| 1 set of incoming high voltage cabinet |
| 1 set of rectifier transformer |
| 1 set of medium frequency power supply of not less than 8000kW |
| 2 sets of 15T furnace body |
| 1 set of cooling water system |
| 1 set of tilting furnace control system, etc |
Main Process Parameters of 15 tons Parallel Medium Frequency Furnace:
|
No.
|
Model Name
|
15 Ton Furnace Main Parameters
|
|
1
|
Transformer Rated Power
|
≥10000KVA
|
|
2
|
Incoming Line Voltage
|
1000V±5%
|
|
3
|
Power Supply Rated Power
|
≥8000KW (one power supply system, power position can be adjusted arbitrarily)
|
|
4
|
Intermediate Frequency
|
≥200HZ
|
|
5
|
Melting Temperature
|
1600ºC
|
|
6
|
Rated Capacity
|
15T
|
|
7
|
Maximum Capacity
|
≥17t
|
|
8
|
Rectification, Inversion Form
|
In parallel
|
|
9
|
Melting Rate (Molten Steel)
|
15t/h
|
|
10
|
Melting Power Consumption (Hot Furnace, Molten Steel)
|
580KW.h/t(1600ºC)
|
|
11
|
Melting Power Consumption (Hot furnace, Molten Iron)
|
550KW.h/t(1500ºC)
|
|
12
|
Power Factor
|
≥0.9
|
|
13
|
Power Supply Form
|
Realize dual power supply 1000V 12 pulse
|
|
14
|
Power Supply Form
|
One power supply for two furnaces / one power supply for two furnaces
|
|
15
|
Noise
|
85dB
|
|
16
|
Starting Success Rate
|
100%
|
| Type | ZS series 1 unit |
| Rated Capacity | ≥10000 kVA |
| Number of Phases | 3 phases |
| Rated Frequency | 50HZ |
| Rated Voltage | High voltage side 10 kV |
| Low Voltage Side (1) | 1.0kV |
| Low Voltage Side (2) | 1.0kV |
| Voltage Regulation Mode | No-load magnetic voltage regulation 5 gears |
| Tap Range | 10KV±2×2.5% |
| Connection Group | Dd0y11 |
| Short Circuit Impedance | 6% |
| Insulation Level | LI75AC35/AC5 |
What We Services
* Full design of the process and layout of the medium frequency furnace system;
* Design, manufacture, supply, installation, commissioning and function realization of the complete set of induction furnace system equipment;
* All kinds of construction projects required for induction melting furnace system equipment, including design data of various equipment foundations, pits, troughs, pipe trenches, houses, etc.;
* Full design, installation and commissioning of the power supply system, electrical automation control system, energy medium system, meter system, etc. involved in smelting equipment;
* Propose the requirements of fire protection, ventilation and air conditioning system, lighting system, safety system, grounding system (including possible lightning protection grounding, power supply grounding, electronic grounding system) in the smelting furnace, melting furnace and induction furnace area.
* Organization, management and coordination of project construction, equipment manufacturing and installation within the above scope;
* All automation software programming and system commissioning;
* Single equipment test run and linkage test run of each system;
* Production technical guidance during the load test run and trial production of each system;
* Provide all technical design data, production operation technical instructions, maintenance instructions, maintenance instructions, production technical know-how and personnel training.
What You Need To Provide
* General plan of the medium frequency furnace area of the steel foundry.
* Energy and power required for construction.
* Detailed design and construction of equipment foundation and premises.
* Design, equipment supply, installation and commissioning of fire protection system, ventilation and air conditioning system, lighting system and safety system.
* Power medium required for the linkage test of the medium frequency furnace system.
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