Catalogue / AVRs & excitation systems
Excitation transformer and rectifier set, Pro 9 seriesSample
by Nalandakelvin Rotating Machines (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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The Pro 9 range of excitation transformer and rectifier set by Nalandakelvin covers 4 alternator rating options (1 MVA to 30 MVA). Design: digital AVR with PID tuning, direct replacement for common legacy AVRs and droop and cross-current for paralleling. Typically used for captive thermal plants, alternator R&M and small and large hydro. Designed and tested to IEEE 421.5, IEC 60034-16 and IS 4722. Lead time 12-16 weeks; delivers to All India and export (SAARC, Middle East, Africa). Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Nalandakelvin
- Model
- NAL-BF7 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 10 nos
- Lead time
- 12-16 weeks
- Warranty
- 24 months
- Standards
- IEEE 421.5, IEC 60034-16, IS 4722
- Delivers to
- All India and export (SAARC, Middle East, Africa)
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Drum / reel with end caps
- Delivery terms
- FOR nearest railhead
- Returns
- No returns on made-to-order items
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Alternator rating1 MVANAL-BF7-01 | Alternator rating: 1 MVA | 10 nos · 12-16 weeks | for verified buyers |
| Alternator rating3 MVANAL-BF7-02 | Alternator rating: 3 MVA | 10 nos · 12-16 weeks | for verified buyers |
| Alternator rating10 MVANAL-BF7-03 | Alternator rating: 10 MVA | 10 nos · 12-16 weeks | for verified buyers |
| Alternator rating30 MVANAL-BF7-04 | Alternator rating: 30 MVA | 10 nos · 12-16 weeks | for verified buyers |
Specifications
| Alternator rating | 1 MVA to 30 MVA (see variants) |
|---|---|
| Type | Analog AVR |
| Field current | 1000 Amade to order: 5 A / 10 A / 50 A |
| Field voltage | 500 V |
| Voltage regulation | +/-0.5%made to order: +/-1% |
| Sensing | 3-phasemade to order: 1-phase |
| Limiters | UEL, OEL, V/Hz |
| Parallel mode | Droop |
| Communication | CANmade to order: Modbus RTU / Ethernet |
| Input supply | Station supplymade to order: PMG / Aux winding |
| Mounting | Panel |