MINING
DUTY RECTIFIER
Up to 250,000 AMPS -6, 12, 24 pulse units Quality and Fast
Delivery
|
|
103,000
adc @ 400 vdc with HFC |
General
Specifications
D.C.
Rating: Output up to 300,000 amps, 1500 volts
Primary
A.C. voltage: Any standard 3 phase supply up to
34 Kv 50/60 Hz
Duty:
100% continuous
Regulation:
± 1% current (options available)
Semiconductor
/ Transformer cooling:
• |
N
Class 1: Forced air cooling
|
• |
N
Class 2: Direct water cooling up to 50 volts dc |
• |
N
Class3: Convection - natural air |
• |
N
Class 4: Indirect cooling |
|
• |
air
to water on transformer |
|
• |
glycol
to water on semiconductor, sealed water cooled |
• |
N
Class 5: Indirect cooling |
|
• |
air
to water on transformer and semiconductors water cooled
|
• |
N
Class 6: Indirect cooling |
|
• |
air
to glycol on transformer
|
|
• |
glycol
to water on semiconductor, sealed air cooled |
• |
N
Class 7: Air conditioners |
• |
N
Class 7: Air conditioners |
• |
N
Class 8: Air to air heat exchangers |
• |
N
Class 9: Oil cooled OA |
• |
N
Class 10: ONAF |
• |
N
Class 11 :OFAF
|
|
| 30,000
Adc @ 105 vdc (Australia) power supply for copper
mining |
Enclosures:
Metal, Aluminum, or Fiberglass
• |
Indoor
- Nema 1, Nema 12 (I. P. 20,1. P. 65)
|
• |
Outdoor
- Nema 3S,3R, 4 and 4x (I. P. 23, 24, 34, 68) Custom
enclodure types available.
|
Transformer:
Dry
type up to 24 Kv, 115 deg rise designed with 220 deg insulation
materials. Vacuum pressure impregnated. Copper wound. Oil
filled transformers available up to 69 Kv.
Protection:
• |
Current
limiting fuses on each power semiconductor
|
• |
Trigger
fuse system |
• |
Thermal
devices on heat sinks and in transformer |
• |
Space
heaters to protect against moisture when the unit
is de-energized |
| • |
Leak
detector on water cooled units |
Instrumentation:
(example)
• |
DC
Voltmeter
|
• |
DC
Ammeter |
• |
Buss
Ground Meter |
• |
Digital
Ampere Hour Meter |
| • |
Annunciator
|
| • |
AC
Ammeter and Voltmeter |
| • |
Power
Factor / Harmonic Correction
equipment available |
Custom
design and manufacture of rectifiers and transformers are
our specialty.
|
| Electro-winning
power supply at Quality Control checkpoint |
|
| 40,000
adc @200 vdc Zinc Processing Power Supply |
|
|
|
80kA
@ 280 vdc 12 pulse system
|
|
|
86,000
adc @ 400 vdc with HFC
|
|
|
OIL
TYPE COIL IN WINDING 35 MVA
|
|
|
Power
Factor / Harmonic Correction Substation
|
|
|
16.5
MVA Rectifier Transformer with Auto and OLTC
|
