ELECTRO CHEMICAL DUTY RECTIFIER
Up to 300,000 Amps - 6, 12, 24 Pulse units
Quality and Fast Delivery

Facility in Production

Neeltran manufactures its own rectifiers and oil cooled rectifier transformers

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)

Enclosures: Metal, Aluminum or Fiberglass

Indoor - Nema 1, Nema 12 (I.P. 20)
Outdoor - Nema 3S, 3R, 4 and 4x (I.P. 24, 34, 65)

43000 Adc @ 266 vdc Chlorate Power Supply (86 Ka Set)

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

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 34 Kv.

Power Factor / Harmonic Correction
equipment available

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