000			01187nam a2200241Ia 4500
999			_c3183 _d3183
003			OSt
005			20200527185821.0
008			160928s1950 -usao fr |||0 0 eng d
040			_apeliigp _bspa _cpeliigp
041			_aeng
082	0	4	_a621.314/G45
100		1	_aGibbs, J. _4autor _92922
245		0	_aTransformer: principles and practice
260			_bMcGraw-Hill Company, Inc., _aNew York: _c1950
300			_a232 páginas: _bilustraciones, fotografías; _c23 cm
500			_aIncluye índice: páginas 233-236
505			_a1. Introduction -- 2. Single-phase and three-phase transformers -- 3. Coils and cores -- 4. Transformers cooling -- 5. Temperature indicators -- 6. Ratio adjustment -- 7. Transformer oil and askarel -- 8. Maintaining oil quality -- 9. Mechanical forces in transformers -- 10. Transformer insulation and lighting protection -- 11. Transformer polarity -- 12. Usual transformer connections -- 13. Parallel operation of transformers -- 14. Phase transformation -- 15. Special applications of standard transformers
650	1	4	_aTRANSFORMADOR
650	2	4	_aTEMPERATURA _9832
650	2	4	_aMANTENIMIENETO Y REPARACIONES
910			_aslz
942			_cBK _2ddc