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Load Centres

Suitable for:Mining

Product description

B&F were the innovators of the multi-output flameproof load centre, pioneering the original some 30 years ago, saving cost, cabling and space with a single unit which replaced seven bulky and expensive 3.3kV flameproof starters. Now, the TMD or TCS Load Centre offers an attractive solution to your power utilisation needs with up to 15 drives in that same space.

Roadheader/ Continuous Miner Systems, Longwall Coal Faces, Water Pumping Systems, Conveyor Systems, Underground Ventilation and Skip Controllers are all applications for our Load Centres.

B&F and have a proven track record with a large global installation base of these units. Simple, rugged and reliable technology is employed to reduce potential down-time and therefore reduce cost of ownership.

Key features

The Load Centre is designed to supply multiple utilisation loads (typically at 550V, 1100V or 3.3kV) from one or more LV supplies taken from a feeder transformer.

Up to three isolators or circuit breakers provide control of the incoming LV supplies. The Load Centre’s multiple utilisation outputs then feed power to the individual LV loads, with dedicated and sensitive protection for each output.

  • Single box solution
  • Robust construction
  • Flameproof designs, fully certified to the latest international ATEX/ IEC standards
  • Utilisation outputs can be contactor starters, circuit breakers or even VSD-based
  • Sensitive protection system provides both asset and personnel protection
  • Network-ready for SCADA systems etc. with support for all popular media and protocols
  • Integrated HMI system
  • Integrated PLC controller options with intrinsically-safe I/O and controls
  • Reduces cabling, handling and transportation costs
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    Technical Specifications

    B&F ‘Elite’ 3300V VSD units are based on a modular design concept. All major components are withdrawable and exchangeable.

    Contactors up to at least 20 drive units
    Outflow protection Comprehensive protection for all drives
    Aux Supplies with overload Yes
    Control and Monitoring options Yes
    Intrinsically safe digital I/O Yes
    Interface Yes
    SCADA Yes
    Up to 5kVA lighting Yes. B&F Load Centres are based on a modular design concept, available with a wide range of supply voltages, output voltages and power ratings.
    Mechanical Sled, wheel, monorail or rubber tread carriage
    Supply voltage range 380-6600V
    Isolator/ circuit breaker rating 400A, 630A, (1000A off-load reversing)
    Multiple utilisation voltages Yes, typically 1100/550V but any combination of output voltages is possible using multiple incoming cables and isolators or circuit breakers
    Utilisation outputs Up to 12 (CHP/TMD range), or up to 15 (TCS range)

    Customisable

    B&F developed the ‘Elite’ VSD in partnership with a major UK university, which itself is a Centre for Excellence in power electronics and drives. Advanced, but rugged and reliable technology is employed to optimise control whilst reducing potential down-time.

    • Bespoke design for mining use
    • Robust construction
    • High power – 3.3kV operation provides up to 2MW output with a 250% overload capability
    • Water-cooled using either an external water supply or B&F’s ‘Bafflo’ closed-loop cooler
    • Very small size for rated output power 
    • Flameproof, fully certified to the latest international ATEX/ IEC standards
    • Full control of speed and torque using a sensorless vector system – no encoder needed
    • Integrated protection
    • Integrated HMI system
    • Optional intrinsically-safe I/O
    • Network-ready for SCADA systems etc. with support for all popular media and protocols
    • IGBT active front end or traditional diode based passive active front end available

    Maintenance

    All Baldwin and Francis equipment is designed with ease of maintenance in mind. We offer several maintenance solutions to suit your specific means.

    Accreditations & memberships

    Ready to get started?
    Talk to us today

    The B&F Team has experience across all our sectors and many electrical installations. Get in touch with one of the team to see how B&F can assist you with your project requirements.