ATP-benchmarks in electric power systems

12. Super conducting transformers
12.6 Conceptual design

Some conceptual designs are tabled as follows. Expecting future great development in technology, it will be still difficult to be competitive.

Table 12.1 Super conducting transformer conceptional designs

Type	Conventional	SpCon	SpCon	SpCon	SpCon
Media	Oil	Lq.He	Lq.He	Lq.He	Lq.N₂
Rated voltage kV	500/154	500/154	500/154	500/154	500/154
Rated capacity MVA	1000	2000	2000	2000	2000
Impedance %	20	20	20	20	20
Quench in S.C.	No	Yes	No	No	No
Tech. level	Present	Present	Present	Future	Future
Losses kW
Winding	4180	7.8	36.0	3.6	65
Others	350	700	650	650	670
Iron	720	1080	1290	1290	1080
Penetrate	--	2.0	4.0	2.0	1.5
Refrigerator
output	--	9.8	40.0	5.6	66.5
input	150	7000	27000	2100	880
Total	5400	8780	28940	4040	2700
Area %
Main body	100	113	147	147	140
Refrigerator	--	1600	4370	479	128
Total	100	1713	4517	626	268
Cost %
Main body	100	315	1395	355	330
Refrigerator	--	190	440	70	15
Total	100	505	1835	425	345

This page is based on Prof. E.Haginomori's lectures in Tokyo Institute of Technology, and edited by Japanese ATP User Group. Copyright (C) Eiichi Haginomori and Japanese ATP User Group.