YDJ (G) light AC high-voltage testing transformer is produced based on numerous improvements of original similar products in accordance with standards of Test Transformer of the E&M Department, TDM (G) light DC high-voltage transformer is a new product produced based on improvement of YDJ (G) testing transformer in accordance with national standard JB∕T 9641-1999. Products of this series have characteristics of small volume, light weight, compact structure, complete functions, strong universality, being easy to operate, etc. As essential for high voltage test, they are specially suitable for power system, industrial and mining enterprises, scientific research institutions and other institutions to conduct insulation strength tests to various high-voltage electrical equipment, electrical components and insulating materials under power frequency or DC high voltage.

Technical Parameter

Model	(kVA) Capacity (kVA)	(kV) High voltage (kV)	High-tension current (mA)	Low voltage input		Transformation ratio (high/instrument)	Temperature rise ℃ (30min)
Model	(kVA) Capacity (kVA)	(kV) High voltage (kV)	High-tension current (mA)	Voltage (V)	Current (A)	Transformation ratio (high/instrument)	Temperature rise ℃ (30min)
YDJ(G)1.5/50	1.5	50	30	200	7.5	500	10
YDJ(G)3/50	3	50	60	200	15	500	10
YDJ(G)5/50	5	50	100	200	25	500	10
YDJ(G)10/50	10	50	200	200	50	500	10
YDJ(G)20/50	20	50	400	380	53	500	10
YDJ(G)30/50	30	50	600	380	79	500	10
YDJ(G)50/50	50	50	1000	380	12	500	10
YDJ(G)5/100	5	100	50	200	25	1000	10
YDJ(G)10/100	10	100	100	200	50	1000	10
YDJ(G)20/100	20	100	200	380	53	1000	10
YDJ(G)30/100	30	100	300	380	79	1000	10
YDJ(G)50/100	50	100	500	380	132	1000	10
YDJ(G)20/150	20	150	133	380	53	1000	10
YDJ(G)30/150	30	150	200	380	80	1000	10
YDJ(G)50/150	50	150	333	380	132	1000	10
YDJ(G)100/150	100	150	667	380	263	1000	10
YDJ(G)50/200	50	200	250	380	132	1000	10
YDJ(G)100/200	100	200	500	380	263	1000	10
YDJ(G)150/200	150	200	750	380	395	1000	10
YDJ(G)200/200	200	200	1000	380	526	1000	10
YDJ(G)300/200	300	200	1500	380	790	1000	10
YDJ(G)50/300	50	300	170	380	132	1000	10
YDJ(G)100/300	100	300	333	380	263	1000	10
YDJ(G)150/300	150	300	500	380	395	1000	10
YDJ(G)200/300	200	300	667	380	526	1000	10
YDJ(G)300/300	300	300	3000	380	790	1000	10

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