18000kvar 35kv Arc Furnace Oil Immersed Reactor Iron Core Series Oil Immmersed Reactor, Power Reactor

18000kvar 35kv Arc Furnace Oil Immersed Reactor Iron Core Series Oil Immmersed Reactor, Power Reactor image

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Basic Info.

Model NO.

XKSSP-18000/33

Application

Power, Electronic, Steel Making Plant

Phase

Three

Winding Type

Multi-Winding Transformer

Frequency Characteristics

High Frequency

Shape of Core

Ring

Core

Iron Core Ractor

Transport Package

Wooden Case

Specification

IEC

Trademark

ville

Origin

China

HS Code

Production Capacity

50000 Sets/Year

Packaging & Delivery

Package Size

1000.00cm * 1000.00cm * 1000.00cm

Package Gross Weight

10000.000kg

Product Description

Series Reactors are used in Electric Arc Furnaces (EAF) to provide furnace operation with longer arcs, lower currents and lower electrode consumption. Such reactors are very useful in the first melting period. With the molten scrap, the absence of the series reactor would allow higher power transfer to the EAF, reducing the tap-to-tap cycle, thus increasing productivity. This paper proposes an active series reactor based on static power converters, which has the flexibility to dynamically change its impedance value during the steel production period. Simulation of a real plant demonstrate the effectiveness of the proposition.

Through-put rating up to 160 MVAr

1.1.1 GENERAL TECHNICAL DATA
Highest voltage	36kV	50Hz
Operating voltage	33 kV±5%	50Hz
Voltage for aux. drivers	380V	50Hz
Control voltage	220V	50Hz
Interlock voltage	220V	50Hz
PLC signals	24V	DC
Ambient temperature max./min.	45 / – 10	Deg. C
Altitude	1500	m
Humidity	80	%
1.1.2 TRANSFORMER DATA
Operating voltage	33kV±5%
Frequency	50Hz ±1%
Operation	Continuously
EAF transformer rated capacity	MVA (+ 20% Overload)
Rated current	2449.4 A (+ 20% Overload)
Reactor Rated Power	18 MAVR (25.92 MVA Overload)
Reactance in normal tap	1 Ω
Number and ratio of taps	6 taps: 100%-80%-60%-40%-20%-0
Insulation level Winding: Um: AC: BIL:	Full insulation HV 52 kV 95 kV 250 kV
Protection level	IP54
Vector group	III
System short circuit capacity	1500 MVA
Short circuit duration	6 sec
Short circuit times	2.5 times
Regulation method	Off circuit
Type of tap changer	NLTC Off –circuit motor drive
Manufacturer	Shanghai Huaming / China (ZUNYI)
Model	2*ZWL III-1600/40- 6 taps
Number of taps	6
Reactor Winding Materials	Copper
Cooling Type	OFWF

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