Dry-type arc suppression reactors with epoxy-roving insulation (stepped and continuously adjustable), up to 4000 kVA, up to 37 kV
Dry-type arc suppression reactors with epoxy-roving insulation are designed to compensate the capacitive earth-fault current in MV networks where oil-filled equipment is undesirable, such as closed switchgear, buildings and facilities with increased
- Stepped
- 100–4000 kVA, 1–37 kV, 5 positions (100–50 % of current)
- Continuously adjustable
- 100–2700 kVAr, 1–24 kV, 10–100 % Imax
- Additional windings
- 500 V/500 A 10 s; 100 V (measurement); 1000 V (synchronization) — in continuously adjustable
- Built-in CT
- two-core 1S1–1S2 (protection), 2S1–2S2 (measurement) — in continuously adjustable
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
Dry-type arc suppression reactors with epoxy-roving insulation are designed to compensate the capacitive earth-fault current in MV networks where oil-filled equipment is undesirable, such as closed switchgear, buildings and facilities with increased fire-safety requirements. As with oil-filled reactors, they are connected between the neutral of a power or earthing transformer and earth (terminal 1U to neutral 1N, terminal 1N to earth) and have a volt-ampere characteristic close to linear. The plant produces two lines. Stepped reactors, 100–4000 kVA, 1–37 kV: the current is regulated by switching taps after de-energizing, in five positions: 100 % (2 h), 87.5 % (4 h), 75 % (8 h), 62.5 % and 50 % (continuous). An additional winding 2U–2N is brought out to create an active current component for selective operation of protection, and terminals S1–S2 of a current transformer are provided. Continuously adjustable reactors, 100–2700 kVAr, 1–24 kV, are equipped with an automatic coil tuning system that provides any current value in the range of 10–100 % of maximum. The smoothness is achieved by a movable part of the magnetic circuit: changing its geometry smoothly changes the inductive reactance. Modes: 100 % — 2 h, 87.5 % — 4 h, 75 % — 8 h, 62.5–10 % — continuous. In addition to an additional winding of 500 V ±10 % for 500 A (10 s), a 100 V winding for measurement and a 1000 V winding for synchronization are provided, as well as a two-core current transformer (protection core 1S1–1S2 and measuring core 2S1–2S2). Construction: core of cold-rolled steel with inorganic insulation; windings of electrolytic copper with air cooling ducts; screw clamping against vibration; high electrical, lightning and mechanical withstand; an earthing scheme for the elements against overvoltages. Fabricated steel enclosure (powder-coated to RAL on the continuously adjustable versions) with protection rating IP00…IP54, cooling through panels or fan filters, trolley with repositionable rollers. Conditions: temperate climate, −25…+40 °C, altitude up to 1000 m, frequency 50 Hz. Standard: PN-EN 60076-6.
Technical specifications
| Stepped | 100–4000 kVA, 1–37 kV, 5 positions (100–50 % of current) |
|---|---|
| Continuously adjustable | 100–2700 kVAr, 1–24 kV, 10–100 % Imax |
| Additional windings | 500 V/500 A 10 s; 100 V (measurement); 1000 V (synchronization) — in continuously adjustable |
| Built-in CT | two-core 1S1–1S2 (protection), 2S1–2S2 (measurement) — in continuously adjustable |
| Cooling | air, panels/filters with fans |
| Protection degree | IP00…IP54 |
| Frequency | 50 Hz |
| Standards | PN-EN 60076-6 |
Replacement for
РЗДПОМ-…/6–10, РЗДСОМ, РУОМ, РДМР (arc suppression reactors 6–35 kV); dry-type — general type
selected by purpose and main parameters, please confirm with our manager
Request a price and lead time
Dry-type arc suppression reactors with epoxy-roving insulation (stepped and continuously adjustable), up to 4000 kVA, up to 37 kV. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Similar equipment from other manufacturers
