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TSZ series transformers

TSZ series three-phase dry-type, two-winding transformers designed for power conversion applications. Continuous duty operation. Ambient temperature range: −45 to +40 °C. Rated frequency: 50 Hz. Vector group: Y/Yn-0 or D/Yn-11. Degree of protection: IP00 (IP21, IP31) in accordance with GOST 14254.

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Description

Power range

Rated power range: 63 ÷ 2500 kVA
LV winding rated voltage: 0.23 (0.4; 0.69) kV
HV winding rated voltage: 6 (10; 10.5) kV
DETC (Off-circuit tap changer ), HV-side regulation range : ±2×2.5%
Climatic category: U3.

Transformer symbols

Т – Three-phase
S – Dry-type
Z – Enclosed (protected) design
Х – Rated power, kVA
UЗ – Climatic category and installation type in accordance with GOST 15150

Characteristic

Technical characteristics
Parameter name	TSZ
Parameter name	Power, kVA
Rated power, kVA	63	100	160	250	400	630	1000	1600	2500
- HV	6; 10; 10,5					6; 10
- LV	0,23; 0,4	0,23; 0,4; 0,69				0,4; 0,69
Winding connection diagramand vector group	Y/Yn-0	Y/Yn-0 / D/Yn-11
Tap changer type and regulation range	DETC±5%	DETC±2х2,5%
No-load losses, W	380	490	700	900	1200	1800	2400	3100	4600
Short-circuit losses, W	1000	1500	2000	3000	4200	6000	9000	13000	20500
No-load current, %	1,5	1,2	1,0	0,8	0,7	0,6	0,5	0,4	0,2
Short-circuit voltage, %	5,5	5,5	5,5	5,5	5,5	5,5	5,5	5,5	6

Overall and Mounting Dimensions

Overall and Installation Dimensions of Transformers
Rated power, kVA	Length (L), mm	Width (B), mm	Height (H), mm	Oil weight, kg	Total weight, kg
63	800	600	1100	400	600
100	1080	800	1300	400	800
160	1520	925	1520	660	1145
250	1625	925	1670	660	1235
400	1755	1000	1795	660	1625
630	1925	1075	1965	720	2440
1000	2070	1100	2045	760	3690
1600	2200	1100	2350	760	4995
2500	2640	1245	2505	820	7420