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matching testing circuit breakers
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Federation University Historical Collection
Magazine, ASEA magazines, 1953/58, 1953 to 1958
... testing circuit breakers... lightening arresters air-blast circuit breakers testing circuit ...collected by Ballarat School of Mines Principal G.H.BeanlandMagazines bound in ASEA folder, blue spine and black cloth boardselectrical engineering, generators, graham beanland, power stations, voltage control, electrohydraulic governor for water turbines, high voltage dc transmission, oil-minimum contraction circuit-breakers, lightening arresters, air-blast circuit breakers, testing circuit breakers, closing mechanisms for high voltage circuit-breakers, outdoor isolators, series capacitors, capacitor voltage transformers, guide to current transformers, routine testing of power tranformers, generator -
Kiewa Valley Historical Society
Electric Megger (Insulation Tester) and its case
Megger as the device was called, is in fact its brand name. It is a device that supplies a DC (direct current as per car batteries) voltage to enable testing of electrical apparatus. This particular device produces 250volts DC when the handle is turned vigorously. If an electrical device, such as a kettle or toaster, blew a fuse or tripped a circuit breaker, when switched on, then it must be checked electrically before any more use. Following the repair of the faulty item a megger would be used to check if either of the AC 240volt plugs leads were touching the metal case (earth). The output leads of the megger would be connected with one to the earth (metal case) and the other to each of the power connections in turn. A good megger reading of 50,000 ohms (resistance) would enable the device to be returned to service. A reading of zero ohms resistance would mean that it would again blow a fuse, and was therefore unsafe to use. In the electrical industry e.g. the former State Electricity Commission, a megger would be used to test lots of similar item in sequence. Because of the vigorous job of winding the handle, two persons were often used to save time. One would crank madly whilst the other shifted the leads. This particular megger is of a small voltage, but other meggers are bigger and have a few ranges of DC voltages able to be selected. The optimal megger for large Generating machines was motor driven megger. This was applied to the device being tested for a duration of approximately 30 minutes with reading of the resistance taken at regular intervals.All equipment belonging to the State Electricity Commission of Victoria was labelled with a metal plaque attached to it. The SECV constructed the Kiewa Hydro Electric Scheme in the Upper Kiewa Valley and on the Bogong High Plains. The scheme began in 1938 and finished in 1961 when this megger was used and also possibly later as the SECV remained to maintain and operate the Scheme. This megger is of significance in relation to the advancement of technology.A rectangular box in dark brown bakerlite casing. It has an agent's plaque fixed to the left of the face and on the right is the marker's recessed stamp. In the middle in a transparent window so the level of ohms can be read. The front also has two recessed fixing knobs in black. On one side is a crank handle with a knob that lifts up and is turned vigorously to create the voltage. The back has four recessed screws and four small leather pads. There is a hole on each side to insert wires. There are two copper insulated wires. The SECV Plaque states: State/Electricity Commission/of/Victoria/ Electrical Engineer's Section/ No.1747 The Agent's Plaque states: H. Rowe & Co. Pty Ltd/Melbourne & Sydney/Sole Agents/in Australia for/Evershed & Vignoles Ltd Maker's states: 500 volts/Megger/Regd Trade Mark/Made in England/Patent No/400728electrical meters, electrical equipment, fuses, safety, state electricity commission of victoria, mt beauty, bogong village -
Ballarat Tramway Museum
Document - Instruction Book, Westinghouse Brake Company of Australasia Limited and The Westinghouse Brake & Saxby Signal Co. Ltd. of 82 York Road and Kings Cross London, "Westinghouse Railway Operating Data", 2000
... and contacts 29 Hand operated circuit breakers 30 Railway... Hand operated circuit breakers 30 Railway Motor Testing I ...Photocopy of 54 data sheets published by Westinghouse Electric & Manufacturing Company of East Pittsburgh Pa, USA c1920. Consists of plastic cover, header page with Westinghouse logo, contents sheets (2 pages), forward, 67 pages (single side photocopy) and heavy rear card cover bound with a green comb binder. Original material lent by Craig Tooke of the Melbourne Tramcar Preservation Association at Haddon. Photocopied by Warren Doubleday March 2000. List of contents produced 30/6/2000 and then bound. Contains data sheets regarding motors, commutators, brushes, armatures, bearings, field coils, pinions, lubrication, air piping, axle collars, resistance grids, gear cases and other technical information. Westinghouse Railway Operating Data 30/6/2000 List of Contents Page No. Care and repair of commutators 1 Undercutting commutators 2 Railway Motor carbon brushes 3 Brush holders 4 Flashing of railway motors 5 Soldering railway armatures 6 Armature Winding 7 Banding armatures 8 Railway Motor Bearings 9 Lubrication of railway motor bearings 10 How to babbitt motor bearings 11 Oil, grease and waster for motors and gears 12 Saturation of motor bearing waste 13 Testing Polarity of Field Coils 14 Charging of storage batteries on Interurban & street rail cars 15 Precautions to be taken with blower installations on motor cars 16 Putting on Railway Motor Pinions 17 How to take armatures out of box frame motors 18 Dipping and Baking of Railway Motors 19 War time dipping and baking outfits 20 Dipping and baking railway motors will decrease troubles 21 Protection of Motor Bearings from Dust 25 Winter Operation of Railway Motor equipments 26 Installation of Air piping to prevent freezing 27 Maintenance of Traction Brake Equipment 28 Maintenance of controller fingers and contacts 29 Hand operated circuit breakers 30 Railway Motor Testing I 31 Railway Motor Testing II 33 Railway Motor Testing III 35 Railway Motor Testing IV 36 Railway Motor Testing V 37 Removing and replacing railway motor armature shaft 39 Mounting and Maintenance of car resistors 40 Lubrication of control apparatus 41 Maintenance of fuse boxes for railway service 42 Does it pay to dip and bake armatures 43 Dipping and Baking as a financial asset 44 Shop Organisation 45 Tinning Malleable Iron Bearing shells 46 Life of armature bearings or railway motors 47 The assembly of complete sets of commutator segments 48 Electric welding as a factor in reclamation 50 Metal to Metal press, shrink and clamping fit allowances 52 Life of railway motor carbon brushes 54 General information of grid resistance design for the operating man 56 Stopping a car by braking with the motors 57 Railway Motor shafts and their maintenance 58 Axle collars 59 Gear cases 60 Ventilated railway motors 62 Revamping Loose armature bearings 64 Life of axle bearings of railway motors 65 Heat-treated bolts for railway service 66 Document imaged over 7 parts 7-9-2016 - see hi res files. trams, tramways, westinghouse, motors, data sheets, technical information -
Melbourne Tram Museum
Document - Notebook, Charlie Willoughby, personal notes on tramcar maintenance, operations, recovery etc of C. Willoughby, late 1950's to early 1960's
Exercise book with personal notes on tramcar maintenance, operations, recovery etc of C. Willoughby in a Spicers Tudor Exercise book - 64 pages with arithmetical tables on the rear cover. Topics covered: Rail Grinder - details on how to operate and maintain it North Fitzroy Dick Kerr, Clyde, K35 and RC2 Controller sequences and diagrams - notes on testing and faults Buzzer wiring diagrams Maintenance of trams interiors and rooves - items to be checked for Line Breakers Lighting Circuits Compressors Trolley poles etc Air operated doors Re-railing of Maximum Traction trams - 22E ditto for equal wheel bogies ditto when split points Use of false trucks Derailments on the Royal Park line Electrical equipment faults Adjusting Trolley Poles heights and tension Notes on truck types and braking Brake diagram summary, giving specifications and a list of relevant drawings Forms for the insulation testing of the Rail Grinders Checking motor leads and electrical equipment - written on the rear of a St Patrick's Day Procession notice for 1962. Advice from Neil Elfick, 23/6/2018 knew him when the Running Shed Foreman at Kew Depot.trams, tramways, tramcars, faults, controllers, 22e trucks, derailments, accidents, royal park, grinder, notices and information, st patricks day