Catalogue / AVRs & excitation systems
Excitation transformer and rectifier set, Volt 9 seriesSample
by Narmada Rotating Machines (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Narmada Volt 9 excitation transformer and rectifier set, offered in 6 alternator rating options from 100 kVA to 30 MVA. Highlights: droop and cross-current for paralleling, under-excitation and over-excitation limiters and soft-start for field build-up. Used by alternator R&M, gensets and alternators 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 North India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Narmada
- Model
- NAR-BF7 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 10 nos
- Lead time
- 12-16 weeks
- Warranty
- 12 months
- Standards
- IEEE 421.5, IEC 60034-16, IS 4722
- Delivers to
- North India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Corrugated box on pallet
- Delivery terms
- Door delivery in metro cities
- 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 rating100 kVANAR-BF7-01 | Alternator rating: 100 kVA | 10 nos · 12-16 weeks | for verified buyers |
| Alternator rating500 kVANAR-BF7-02 | Alternator rating: 500 kVA | 10 nos · 12-16 weeks | for verified buyers |
| Alternator rating1 MVANAR-BF7-03 | Alternator rating: 1 MVA | 10 nos · 12-16 weeks | for verified buyers |
| Alternator rating3 MVANAR-BF7-04 | Alternator rating: 3 MVA | 10 nos · 12-16 weeks | for verified buyers |
| Alternator rating10 MVANAR-BF7-05 | Alternator rating: 10 MVA | 10 nos · 12-16 weeks | for verified buyers |
| Alternator rating30 MVANAR-BF7-06 | Alternator rating: 30 MVA | 10 nos · 12-16 weeks | for verified buyers |
Specifications
| Alternator rating | 100 kVA to 30 MVA (see variants) |
|---|---|
| Type | Analog AVR |
| Field current | 5 Amade to order: 10 A / 50 A / 300 A |
| Field voltage | 110 V |
| Voltage regulation | +/-0.5%made to order: +/-1% |
| Sensing | 3-phase |
| Limiters | UEL, OEL, V/Hz |
| Parallel mode | Cross-current compensation |
| Communication | Ethernetmade to order: Modbus RTU / CAN |
| Input supply | PMGmade to order: Aux winding / Station supply |
| Mounting | Panel |