Switchgear Testing Co
of Trafford Park, Manchester.
Conducted switchgear-testing programme for the constituent firms (presumably part of AEI).
1934 A sixteen-element electromagnetic oscillograph was made for the company by Metropolitan-Vickers.
1934 The 3 switchgear manufacturing companies in the AEI group - BTH, Ferguson Pailin and Metropolitan-Vickers Electrical Co were jointly erecting a high power testing plant to handle rupture tests on the largest types of switches. It was initially equipped with a generator with a caapacity of 1500 MVA. The stator weighed 80 tons and was spring-mounted. 1200 HP were required to get the generator up to speed in 15 minutes, 300 HP for light running, and it took 30 minutes to run down.
Sources of Information
- The Times, Apr 13, 1934
- 'B.T.H. Reminiscences - Sixty Years of Progress' compiled by H. A. Price-Hughes, BTH, 1946, p.75
- The Times, Aug 31, 1961