GOST-16555-1975-ENG.pdf
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1、GOST 16555-75 INTERSTATE STANDARD THREE-PHASE OIL-IMMERSED HERMETIC POWER TRANSFORMERS SPECIFICATIONS Official Edition English Version Approved by Interstandard STANDARDS PUBLISHING HOUSE Moscow 16555-75 1 UDC 621.314.222.6.025 : 006.354 Group E64 INTERSTATE STANDARD THREE-PHASE OIL-IMMERSED HERMITI
2、C POWER TRANSFORMERS Specifications GOST 16555-75 Date of introduction 01.01.77 This Standard applies to stationary three-phase double-wound oil-immersed hermitic general-duty power transformers with capacity from 250 to 2500 kVA for the voltage up to 10 kV, with planar magnetic system, with tap-cha
3、nge operation without excitation (hereinafter referred to as OWE), designed for package transformer substations (hereinafter referred to as PTS), manufactured for the needs of the national economy or for export as componentry. This Standard does not apply to the transformers operating in medium cont
4、aining caustic vapors and gases causing destruction of metal and insulation. (Amended Wording, Amendments Nos. 1, 4, 5 and 7). 1. TYPES, KEY PARAMETERS AND DIMENSIONS 1.1. Types, rated powers and voltages, circuits and groups of winding connection of transformers shall correspond to those specified
5、in table 1. (Amended Wording, Amendments Nos. 5 to 7). T a b l e 1 Rated voltage, kV Type of transformer P* code Upper voltage Low voltage Circuit and group of winding connection Type, range and quantity of stages of voltage regulation on upper voltage side -250/10-3 34 1121 -250/10-3 export 34 1121
6、 -250/10-1 34 1121 -250/10-1 export 34 1121 -400/10-3 34 1121 -400/10-3 export 34 1121 -400/10-1 34 1121 -400/10-1 export 34 1121 0.40 0.69 /-0 /-0 -500/10-3 34 11210.40/-0 -500/10-1 34 1121 0.40 /-11 -630/10-3 34 1121 0.69 /-11 -630/10-3 export 34 1121 -630/10-1 34 1121 -630/10-1 export 34 1121 6.0
7、; 10.0 OWE (2 2.5 %) * OKP is All-Union Product Classification Code Official Edition Reprinting is prohibited Standards Publishing House, 1975 Standards Publishing House, 1999 Revised Edition with Amendments 16555-75 2 Table 1 (Cont.) Rated voltage, kV Type of transformer OKP Code Upper voltage Low
8、voltage Circuit and group of winding connection Type, range and quantity of stages of voltage regulation on upper voltage side -800/10-3 34 1121 0208 -800/10-1 34 1121 0207 -1000/10-3 34 1121 0222 -1000/10-3 export 34 1121 0223 -1000/10-1 34 1121 0205 -1000/10-1 export 34 1121 0229 0.40 0.40 0.69 /-
9、0 /-11 /-11 -1250/10-3 34 1131 0116 -1250/10-1 34 1131 0115 -1600/10-3 34 1131 0114 -1600/10-3 export 34 1131 0137 -1600/10-1 34 1131 0113 -1600/10-1 export 34 1131 0138 -2000/10-3 34 1131 0141 -2000/10-1 34 1131 0142 -2500/10-3 34 1131 0143 -2500/10-3 export 34 1131 -2500/10-1 34 1131 0140 -2500/10
10、-1 export 34 1131 6.0; 10.0 0.40 0.69 /-11 /-11 OWE (2 2.5 %) 1.2. Idling and short circuit parameters of transformers shall correspond to those specified in table 2. T a b l e 2 Losses, W Rated capacity, kV of idling of short circuit Short circuit voltage, % Idling current, % 250 740 37002.3 400 95
11、0 4.5 2.1 500 5500 4.42.3 630 1310 5.51.8 800 7600 4.41.5 1000 1900 5.5 1250 10800 4.8 1.2 1600 2650 6.0 2000 16500 4.8 1.0 2500 3750 240006.00.8 (Amended Wording, Amendments Nos. 1 and 5). 1.3. Overall dimensions and total mass of transformers of type 3 shall correspond to those specified in table
12、3. T a b l e 3 Overall dimensions, mm, no more than Rated capacity, kVA Length Width Height Total mass, kg, no more than 250 1800 12201750 1400 400 1850 12501800 1800 500; 630 1900 12801850 2600 16555-75 3 Table 3 (Cont.) Overall dimensions, mm, no more than Rated capacity, kVA Length Width Height T
13、otal mass, kg, no more than 800; 1000 2000 13202000 3250 1250; 1600 2120 14502500 4800 2000; 2500 2500 17002800 8000 N o t e s to tables 1 to 3: 1. By agreement between the consumer and the manufacturer it is allowed to manufacture transformers: - with rated upper voltages (hereinafter referred to a
14、s UV) of 6.3 and 10.5 kV; - of climatic modifications 1 and 1 in accordance with GOST 15150; - for operation at the rated frequency of 60 Hz, and in this case the short circuit voltage increases by 20 %; - with the capacity of 250 and 400 kVA with the circuit of winding connection of /Z-11; - with t
15、he capacity 630, 1000 and 1600 kVA in climatic modifications 3 and 1 in accordance with GOST 15150 and specifications. 2. The transformers designed for export may be manufactured with the rated voltage, circuits and groups of winding connection other than those specified in table 1, according to the
16、 foreign trade organization order. For transformers with the rated low voltages (hereinafter referred to as LV) other than 400 and 690 V, the tolerance of plus 20 % for idling losses shall be established. 3. The specific mass and specific power consumption of transformers shall correspond to those s
17、pecified in Appendix 3. 4. Transformers are produced for two levels of idling losses and idling current. For transformers of the first level the values of idling losses and idling current shall be of no more than those specified in table 2. Maximum deviations shall be in accordance with GOST 11677.
18、The transformers of the first level shall be manufactured from steel of grade 3405 and thickness of 0.30 mm or from other higher-quality steels (of grades 3406, 3407, 3408, etc.) For transformers of the second level the idling losses and idling current values shall be established of more than those
19、specified in table 2 (with maximum deviations in accordance with GOST 11677), but shall not exceed 10 % for idling losses and 30 % for idling current. 5. For the transformers designed before 01.01.84 it is allowed to increase the standardized values of idling losses and current, of mass (including s
20、pecific) and overall dimensions by 15 %, and of specific power consumption by 7 %,. 6. (Removed, Amendment No. 7). 7. For transformers with the capacity of 250 and 400 kVA with the circuit of winding connection /Z-11 and with the capacity of 630 kVA with the circuit of winding connection /-11, it is
21、 allowed to increase the standardized values of short circuit losses correspondingly up to 4200, 5900 and 8500 W. 8. (Removed, Amendment No. 7). (Amended Wording, Amendments Nos. 1 and 5 to 7). 2. TECHNICAL REQUIREMENTS 2.1. Transformers shall be manufactured in compliance with the requirements of t
22、his Standard and GOST 11677 pursuant to the working drawings approved in accordance with the established procedure. Transformers of climatic modifications 3 and 1 shall also comply with the requirements of GOST 16962.1. 2.2. Rated values of climatic factors shall be in accordance with GOST 11677, GO
23、ST 15150, GOST 15543.1 and GOST 16962.1. (Amended Wording, Amendments Nos. 5 and 7). 2.3. Transformers shall be manufactured of the right-hand and left-hand modifications, and in this case the devices for the level, oil temperature and pressure control shall be located on the side of LV inputs, or t
24、o the right from an axis of transformers (if looking from the side of LV inputs) of the right-hand modification, and to the left from an axis of transformers of the left-hand modification. (Amended Wording, Amendments Nos. 3 and 7). 2.4. Transformers shall be designed for operation for the following
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