JB/T 6303-1992 Technical parameters and requirements of calcium carbide furnace transformer JB/T6303-1992 standard download decompression password: www.bzxz.net
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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||170~195 180~110 190~110bzxz.net 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 3 Rated capacity Primary current 6, 10 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. Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.