JB/T 6303-1992 Technical parameters and requirements for calcium carbide furnace transformers

JB/T 6303-1992 Technical parameters and requirements of calcium carbide furnace transformer JB/T6303-1992 standard download decompression password: www.bzxz.net

People's Republic of China Machinery Industry Standard JB/T6303-1992
Technical parameters and requirements of calcium carbide furnace transformers
Published on June 26, 1992
Implemented on January 1, 1993
Technical parameters and requirements of calcium carbide furnace transformers
Subject content and scope of application
This standard specifies the technical parameters and requirements of calcium carbide furnace transformers. JB/T6303-1992
This standard applies to three-phase oil-immersed calcium carbide furnace transformers with voltage levels of 110kY and below, rated capacity of 58000kVA and below, and frequency of 50Hz.
Referenced Standards
JB5344.1 Submerged Arc Furnace Transformer
Technical Parameters
The specifications of non-excitation voltage-regulating calcium carbide furnace transformers shall comply with the provisions of Table 1. Table
Rated capacity
Sub-voltage
1131061009590
12611811110510
128124120116112
140134129125120116112
160154109144139134130
170166163159156153150
3.12 The specifications of on-load tap-changing transformer shall comply with the provisions of Table 2. Approved by the Ministry of Machinery and Electronics Industry on June 26, 1992, rated secondary voltage, voltage regulation level, 5 levels (the first 3 levels are constant capacity output, the last 3 levels are current output), 7 levels (the first 5 levels are constant capacity output, the last 3 levels are constant current output), connection group number, cold super mode or OFAF, implemented on January 1, 1993, rated capacity, secondary voltage, JB/T6303-1992, 155~100, 160~108 tt||170~195
180~110
190~110
205~125
225145
240~160
Secondary voltage
Number of adjustment levels
19 levels (the first 5 levels are constant
capacity output, the latter
15 levels are constant
current output) arithmetic difference
Connection group number
YN,d11
(linkv
Cooling method
Calcium carbide furnace transformers with a rated capacity of 200kVA and above can be made into three-phase transformer groups. The rated capacity of single-phase 3.13
calcium carbide furnace transformers constituting three-phase transformer groups The rated capacities are: 6667, 333, 10500, 13333, 16667kVA respectively. Its technical parameters and performance parameters are determined by the manufacturer and the user through consultation.
3.2 Performance parameters
3,2.1 The performance parameters of the off-excitation voltage-regulating calcium carbide furnace transformer shall comply with the provisions of Table 3. Table 3Www.bzxZ.net
Rated capacity
Primary current
No-load loss
Load loss
No-load current
Impedance voltage
Note: The no-load loss, no-load current and impedance voltage listed in the table are the values ​​of the highest secondary voltage, the load loss is the value under the rated secondary voltage,
3.2.2 Performance parameters of on-load voltage-regulating calcium carbide furnace transformer The parameters shall comply with the provisions of Table 4. Rated capacity
Primary battery
JB/T6303-1992
No-load loss
Load loss
No-load current
Resistance voltage
(35kV level)
(63kV level
and above)
(35kV level)
(63kV level
and above)
Current; The no-load loss, no-load current and load voltage listed in the table are the values ​​under the highest secondary voltage, and the load loss is the value under the rated secondary voltage.
Technical requirements and other regulations
4.1 The technical requirements of calcium carbide furnace transformers shall comply with the provisions of JB5344.1. Liao 2 The connection method of calcium carbide furnace transformers can be found in Appendix A. 4.3 The test items and methods, inspection regulations and markings, packaging, transportation, storage requirements, etc. of calcium carbide furnace transformers shall comply with the provisions of B5344.1.
JB/T6303-1992
Appendix A
Typical connection diagram
Test material)
A1 The connection diagrams shown in Figure A1 and Figure A2 can be used for off-excitation voltage-regulating calcium carbide protection transformers. Figure A1
JB/T6303-1992
A2 The connection diagram shown in Figure A3 can be used for on-load voltage-regulating calcium carbide furnace transformers of 35kV and above. DoQA
Main transformer
Auxiliary transformer
Additional instructions:
This standard was proposed and approved by the Shenyang Transformer Research Institute of the Ministry of Machinery and Electronics Industry. This standard was drafted by Changchun Transformer Group Factory and Shenyang Transformer Research Institute. oooy
From the date of implementation of this standard, the original JB/DQ2207-86 "Cross-pressure device for calcium carbide furnace" will be invalid.
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