‹ Medium Voltage Switchgear

TBBZ-12

MV automatic reactive-power compensation

6 / 10 kV · PF > 0.9 · RS232 / 485

TBBZ-12 tracks the load on a 6 kV or 10 kV bus and switches capacitor groups automatically to hold power factor above 0.9, cutting losses and freeing transmission capacity. Vacuum contactors allow frequent switching; each group has a discharge coil, fuse and relay or microprocessor protection.

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TBBZ-12 MV automatic reactive-power compensation

Tested and certified

Type-tested to the standards listed below.

Built for

Industrial substations, Water pumping stations, Mining.

Standards

GB/T 15576, DL/T 604.

Technical data

ParameterValue
Rated voltage6 kV / 10 kV bus; continuous operation at 1.1 × Un
OvercurrentContinuous at 1.3 × In rms
SwitchingVacuum contactor; residual voltage < 50 V within 5 s
Protection per groupOvercurrent, voltage unbalance, under- and over-voltage; failed group isolated without affecting others
Overvoltage protectionFuse per capacitor, lightning arrester per group
ControllerLarge LCD; real-time V, I, PF; RS232 / RS485; four-remote
OptionsSeries reactor for inrush and harmonic suppression
Model exampleTBBZ10-1500(600+900)-AK: 10 kV, 1500 kvar in two auto groups

Standards

  • GB/T 15576
  • DL/T 604

Applications

  • Industrial substations
  • Water pumping stations
  • Mining

Production process

From enquiry to commissioning

  1. Enquiry and analysisSend a single-line diagram, load list or panel schedule. An engineer confirms voltage, short-circuit level, forms of separation and applicable standards within 24 hours.
  2. Proposal and drawingsBudgetary quotation in five working days, then general-arrangement drawings, busbar sizing and a bill of materials for approval.
  3. Order and engineeringApproved drawings release procurement of Schneider, ABB or specified components and sheet-metal programming.
  4. Fabrication and assemblyLaser cutting, CNC bending, powder coating, busbar processing, primary assembly and secondary wiring in Shaoshan.
  5. Factory acceptance testDielectric, loop-resistance, insulation, earth-continuity, IP and current-injection tests; customers and consultants welcome to witness.
  6. Delivery and after-salesExport packing, sea or air freight, commissioning support and a 7×24 service line with Schneider-trained engineers.

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Quote this product

Send the single-line diagram, short-circuit level and panel schedule; a budgetary quotation follows within five working days.

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