© Delba Electrical, Springs, Gauteng, South Africa : Design
Total Electric Motor Solutions

Our Plant and Equipment

Key Plant & Equipment available at DELBA ELECTRICAL can be summarized as follows;

1. Complete motor testing facilities x2; a) ELECTRICAL (Winding Division) workshop, for the in-process testing of windings: Fully controlled test-boards (analogue/digital instrumentation) Solid base slotted test-bed (dimensions = 3m x 1.2m) AC (LV) supply = Step-less voltage (0 – 750V) from 250kVA MG-set DC Supply = Rectified AC (LV) supply for main Armature supply, with two additional auxiliary Field supplies AC (HV) supply = Stepped voltage (1100V, 2200V, 3300V, 6600V) from 250kVA transformer 2 x diagnostic winding surge comparison testers (RiSATTi H2/CPS + RiSATTi H12/CPS) 800Amp Core Watt-loss tester (Henry du Preez & Associates) b) MECHANICAL workshop MAIN Test Bay, for the final testing of electric motors: Fully controlled test-boards (analogue/digital instrumentation with Norma 4000 Power Analyzer) No-load testing, solid base slotted test-bed (dimensions = 2.2m x 4.3m) Load testing, variable height slotted test-bed (dimensions = 1.5m x 3m) Vibrator testing, coil sprung drilled & tapped test-bed (dimensions = 1m x 1m) AC (LV) supply 380 volt 600 Amp (395kVA) incoming supply 0-800 volt Induction regulator 450 amp continuous rating 0-380 volt alternator 250kVA DC supply by rectification – numerous variable supply points with a maximum rating of 0 – 600 volt at 700 Amp short time rating AC (HV) supply transformer primary 380 volt secondary 1000 – 3300 – 6600 volts variable through variable input voltages Load Generator loading devices up to 350 Hp (for slow speed machine testing) 900Hp Eddy-current brake Dynamometer 300Hp Eddy-current brake Dynamometer Currently busy with upgrade of incoming supply to 1MVA @6600 volt and related changes to all variable voltage supply systems to be developed accordingly 2. 2 x Vacuum Pressure Impregnation plants; Tank 1 = 1.2m diameter x 1.8m deep Tank 2 = 1.5m diameter x 2.5m deep. 3. 1 x Varnish dip-tank = 1.9m length x 1.3m width x 1.5m depth 4. Schenck Dynamic Balancing machine with CAB590 control unit; Pedestal bed capacity = 900kg and rotor OD = 1.26m 5. Overhead cranes as follows; 12.5 Ton SWF + 10 Ton SWF (2 x 5 Ton) hoist gantries with long and cross travel (complete floor coverage) in MECHANICAL workshop + 3.2 Ton SWF hoist gantry in FLAMEPROOF section 10 Ton SWF + 3.2 ton SWF hoist gantries with long and cross travel (complete floor coverage) in ELECTRICAL WORKSHOP 5 Ton SWF hoist gantry with long and cross travel (complete floor coverage) in MACHINE SHOP 2.5 Ton hoist in FAN & PUMP SHOP 6. Baking, Curing & Burn-off ovens; MAIN baking & curing oven, electric element with digital control + temperature chart recorder (ELECTRICAL workshop) = 2.1m width x 2.6m height x 3.0m depth ROTATIONAL curing oven, electric element with digital control (ELECTRICAL workshop) = 1.5m width x 2.0m height x 2.3m depth BREAKDOWN JOB baking & heating oven, electric element (MECHANICAL workshop) = 1.2m width x 1.5m height x 1.2m depth ADDITIONAL baking & curing oven, (ELECTRICAL workshop) electric element = 1.9m width x 2.5m height x 3.0m depth BURN-OFF oven, gas-fired with digital control + temperature chart recorder (ELECTRICAL workshop) = 2.4m width x 2.4m height x 2.5m depth 7. 2 x Spray painting booths complete with extraction filter/fan units: MECHANICAL workshop spray booth for final spray painting of completed units = 4.0m width x 2.3m height x 3.2m depth ELECTRICAL workshop spray booth for spray painting of stator casings and components prior to rewinding and spraying of "passed" stator windings with insulating varnish prior to re-assembly =3.0m width x 2.4m height x 3.0m depth 8. MACHINE SHOP equipment as follows; TORGIM Gap-bed lathe, 3m between centers BAOJI CS-6266C/2m Gap-bed lathe, 82mm bore, 7.5Kw motor, 2m between centers + DRO BAOJI CS-6266C/2m Gap-bed lathe, 105mm bore, 11Kw motor, 2m between centers + DRO BAOJI CS-6266C/2m Gap-bed lathe, 105mm bore, 11Kw motor, 2m between centers + DRO DJC Gap-bed lathe, 2m between centers TA SHING Gap-bed lathe, 1.5m between centers WING Gap-bed-lathe, 1m between centers + DRO UNION 63mm Boring mill, 1.5m bed HURON Milling machine, 1.85m bed RAMBAUDI FCR 34180 Milling Machine, 1.5 m bed AJAX Milling machine, 1.250m bed CMZ L-350 Shaping machine ARGON ARC Submerge arc welding machine, 3m bed CEA MATRIX 400 AC/DC TIG welding machine
Delba Electrical. Electric Motor Sales, Rewinding, Repairs and Maintenance, Gauteng. Management Team Management Team Plant & Equipment Plant & Equipment Certificates & Listings Certificates & Listings
Delba Electrical. Electric Motor Sales, Rewinding, Repairs and Maintenance, Gauteng
Total Electric Motor Solutions
© Delba Electrical, Springs, Gauteng, South Africa : Design

Our Plant and

Equipment

Key Plant & Equipment available at

DELBA ELECTRICAL can be

summarized as follows;

1. Complete motor testing facilities x2; a) ELECTRICAL (Winding Division) workshop, for the in-process testing of windings: Fully controlled test-boards (analogue/digital instrumentation) Solid base slotted test-bed (dimensions = 3m x 1.2m) AC (LV) supply = Step-less voltage (0 – 750V) from 250kVA MG-set DC Supply = Rectified AC (LV) supply for main Armature supply, with two additional auxiliary Field supplies AC (HV) supply = Stepped voltage (1100V, 2200V, 3300V, 6600V) from 250kVA transformer 2 x diagnostic winding surge comparison testers (RiSATTi H2/CPS + RiSATTi H12/CPS) 800Amp Core Watt-loss tester (Henry du Preez & Associates) b) MECHANICAL workshop MAIN Test Bay, for the final testing of electric motors: Fully controlled test-boards (analogue/digital instrumentation with Norma 4000 Power Analyzer) No-load testing, solid base slotted test-bed (dimensions = 2.2m x 4.3m) Load testing, variable height slotted test- bed (dimensions = 1.5m x 3m) Vibrator testing, coil sprung drilled & tapped test-bed (dimensions = 1m x 1m) AC (LV) supply 380 volt 600 Amp (395kVA) incoming supply 0-800 volt Induction regulator 450 amp continuous rating 0-380 volt alternator 250kVA DC supply by rectification – numerous variable supply points with a maximum rating of 0 – 600 volt at 700 Amp short time rating AC (HV) supply transformer primary 380 volt secondary 1000 – 3300 – 6600 volts variable through variable input voltages Load Generator loading devices up to 350 Hp (for slow speed machine testing) 900Hp Eddy-current brake Dynamometer 300Hp Eddy-current brake Dynamometer Currently busy with upgrade of incoming supply to 1MVA @6600 volt and related changes to all variable voltage supply systems to be developed accordingly 2. 2 x Vacuum Pressure Impregnation plants; Tank 1 = 1.2m diameter x 1.8m deep Tank 2 = 1.5m diameter x 2.5m deep. 3. 1 x Varnish dip-tank = 1.9m length x 1.3m width x 1.5m depth 4. Schenck Dynamic Balancing machine with CAB590 control unit; Pedestal bed capacity = 900kg and rotor OD = 1.26m 5. Overhead cranes as follows; 12.5 Ton SWF + 10 Ton SWF (2 x 5 Ton) hoist gantries with long and cross travel (complete floor coverage) in MECHANICAL workshop + 3.2 Ton SWF hoist gantry in FLAMEPROOF section 10 Ton SWF + 3.2 ton SWF hoist gantries with long and cross travel (complete floor coverage) in ELECTRICAL WORKSHOP 5 Ton SWF hoist gantry with long and cross travel (complete floor coverage) in MACHINE SHOP 2.5 Ton hoist in FAN & PUMP SHOP 6. Baking, Curing & Burn-off ovens; MAIN baking & curing oven, electric element with digital control + temperature chart recorder (ELECTRICAL workshop) = 2.1m width x 2.6m height x 3.0m depth ROTATIONAL curing oven, electric element with digital control (ELECTRICAL workshop) = 1.5m width x 2.0m height x 2.3m depth BREAKDOWN JOB baking & heating oven, electric element (MECHANICAL workshop) = 1.2m width x 1.5m height x 1.2m depth ADDITIONAL baking & curing oven, (ELECTRICAL workshop) electric element = 1.9m width x 2.5m height x 3.0m depth BURN-OFF oven, gas-fired with digital control + temperature chart recorder (ELECTRICAL workshop) = 2.4m width x 2.4m height x 2.5m depth 7. 2 x Spray painting booths complete with extraction filter/fan units: MECHANICAL workshop spray booth for final spray painting of completed units = 4.0m width x 2.3m height x 3.2m depth ELECTRICAL workshop spray booth for spray painting of stator casings and components prior to rewinding and spraying of "passed" stator windings with insulating varnish prior to re-assembly =3.0m width x 2.4m height x 3.0m depth 8. MACHINE SHOP equipment as follows; TORGIM Gap-bed lathe, 3m between centers BAOJI CS-6266C/2m Gap-bed lathe, 82mm bore, 7.5Kw motor, 2m between centers + DRO BAOJI CS-6266C/2m Gap-bed lathe, 105mm bore, 11Kw motor, 2m between centers + DRO BAOJI CS-6266C/2m Gap-bed lathe, 105mm bore, 11Kw motor, 2m between centers + DRO DJC Gap-bed lathe, 2m between centers TA SHING Gap-bed lathe, 1.5m between centers WING Gap-bed-lathe, 1m between centers + DRO UNION 63mm Boring mill, 1.5m bed HURON Milling machine, 1.85m bed RAMBAUDI FCR 34180 Milling Machine, 1.5 m bed AJAX Milling machine, 1.250m bed CMZ L-350 Shaping machine ARGON ARC Submerge arc welding machine, 3m bed CEA MATRIX 400 AC/DC TIG welding machine