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CAPITAL REPAIRING OF PUMPING STATIONS OF SNT, SND, SNL TYPES

DONENERGOMASH, Ltd

Major repairs of pumping stations are performed according to the repair and technical documentation  which is developed at the enterprise with the warranty service period. The replacement of worn out components that are not subjected to recovering is made.

  • restoring of the crankshaft;
  • restoring of hydraulic assemblies and connecting rods;
  • repairing of the make-up pump;
  • repairing and charging of accumulators;
  • complete set and adjustment.

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CAPITAL REPAIRING OF TRANSFORMERS, COMPLETE TRANSFORMER SUBSTATIONS, WELDING AND MEASURING TRANSFORMERS, ELECTROMAGNETICS, MAGNETIC PLATES AND COILS

DONENERGOMASH, Ltd

The scope of works includes:

  • inspection, checking of cooling systems operation and switching devices;
  • measurement of insulation characteristics;
  • draining of oil, its regeneration or replacement;
  • dismantling and installation of control devices,
  • protection devices, controls of automatics;
  • dismantling of VH and NN coils;
  • defect of the active part, oil channels in the magnetic circuit and windings, tap-changers (RPN), reactors or resistors;
  • checking and restoring of a tie rods insulation;
  • flushing and repairing of the oil pipeline and tank;
  • repairing of circulating pumps, fans and electric motors;
  • repairing of the active part or manufacturing of new coils;
  • replacement of rubber gaskets;
  • replacement of insulators;
  • transformer assembly;
  • oil filling;
  • control drying of a transformer;
  • tests;

Types of repaired transformers:
ТМ, ТМZ, ТSZ, 2ТSV, ТSVP, ТSP, ТSVP, ТSShVP, PSKTPA, КТPV, АVV, ETMPK, ТМN, АТF, ТVCh.
Types of repaired magnets: М42, М47, М62, М25, М26, RLB-1500, PМ, GP, ТМ, КEМ-165, LА-16, DКМ.

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Nomenclature high-voltage motors 6-10 kV repairing

DONENERGOMASH, Ltd

Domestic

  • Asynchronous with a short-circuited rotor of AN-2, AZO, DAO, DA, 4A, A4, DAZO, 4AOV, SA, AB, VA series with phase rotor of AKN, AOK2, AOK4 series.
  • Explosion-proof with a squirrel-cage rotor of the VAO, AZMV, VAOU, "Ukraine" series; with a phase rotor of the "Ukraine" series.
  • Synchronous SD, SDS, VDN, SD2, SDM, SDV, SDR, SDCT, STDM, SDMZ.

 

Imported

  • Electric motors for 1140V with a water-cooling SGR250MI, SUN250MI (Czech Republic);
  • ASI, FM - with a phase rotor (Romania);
  • MT, MA, T, SS, SAE (Italy);
  • А, МО with a phase rotor - 2АКМ (Bulgaria);
  • KMR, AB, Siemens (Germany);
  • AKZ - with a phase rotor, Sn (Yugoslavia).

 

The use of thermosetting insulation on the basis of mica tape allows producing sections of high-voltage motors with a "F" and "H" class on a heat resistance.
The range of electric motors of various capacities and performances after major overhaul are realized at the plant. The warranty period for this product is 12 months. The cost is 0,4-0,7 of the cost of the new one.

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Nomenclature of low-voltage motors repairing

DONENERGOMASH, Ltd
  • Synchronous electric motors of general industrial design: with a squirrel-cage rotor AO, A02,4AN, 4AP, 4AS, AN, AIR, AIRO, AMU, MTKN, MTKF; multi-speed three-phase series AMU, 4AMU; with a MTF, MTN, AKI, MTM phase rotor.
  • Explosion-proof with voltages up to 1140V: with a squirrel-cage rotor of the 2VR, GRP, ZVR, VRL, BPM, AYU, HLW, BA02, EDN, EDKOF, MA, AUM, KO, COM, EDKV; with the phase rotor of the VRK, VAOK, MA-36 series.
  • Explosion-proof electric motors for driving coal-mining machines (combines, plows, etc.): EDC, EKV, EDKO.
  • DC motors: ДRT, EТ, EDR, DP, P, DTN, 4PFM, PM, D, 2P, DК.
  • Electric motors: ARM, ARF, VRR, AOG, AZRF, AR.
  • Quarry electric motors and generators: SDE, D PE, D, D P, DE, GP E, AE, ED, N B, GP A, ET.
  • Electric motors, aggregates and generators for railway transport: DТ-701-4, DТ-708-4, МVТ-25-9, МVТ-25-11, P-41, TMN-10B, GS225М4, ED-118, ED-107, GP-300B.

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Is Negotiable

CAPITAL REPAIRING OF BLOWERS OF LOCAL CONTROL, RUNNERS AND REDUCERS

DONENERGOMASH, Ltd

FOR BLOWERS:

  • repairing of the electric motor;
  • repairing of the case, diffuser, rectifying apparatus;
  • repairing (replacement) of the impeller with full or partial replacement of blades;
  • impeller balancing;
  • testing and painting.

FOR REDUCERS:

  • disassembly, cleaning, defects in assembly parts;
  • replacement of worn shaft gears, cylindrical and cogwheels, bearings, cuffs;
  • restoration of seats for bearing units;
  • restoration of the reducer housing;
  • testing and painting.

FOR WINCH:

  • disassembly, cleaning, defecting;
  • repairing of the electric motor;
  • aligning or manufacturing a new frame;
  • replacement of bearings, cuffs, seals, gears, shafts;
  • replacement of brake bands;
  • replacement of the gear group (gears, cog wheels);
  • replacement of parking brake with load, overtaking mechanism;
  • alignment, testing and painting.

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