Basler Electric CBS 212A Current Boost System

The Basler Electric CBS 212A Current Boost System is an innovative power electronics solution designed to provide additional current during motor starting or heavy load transients. By injecting a controlled boost current into the system, it minimises voltage dips that can cause nuisance tripping of sensitive equipment and reduce motor starting torque. The CBS 212A is ideal for applications with weak utility connections or long feeder cables.

How It Works

The system consists of a control unit and a power module that draws energy from a local storage capacitor or auxiliary supply. When a voltage drop is detected, the CBS 212A injects a synchronised current waveform to support the load. The boost duration is programmable from 0.5 to 10 seconds, after which the system reverts to standby mode. The control unit continuously monitors system voltage and current to determine the optimal boost profile.

Key Features

Adjustable boost current: up to 120% of nominal load current. Response time:<20 ms. Input voltage: 208–480 VAC, 50/60 Hz. The system includes overcurrent protection, thermal monitoring, and a fault indicator. Communication interface (RS‑485) allows remote monitoring and integration with building management systems.

Benefits

The CBS 212A reduces voltage dips by up to 30%, allowing large motors to start without impact on other loads. It improves motor acceleration, reduces mechanical stress, and prevents contactor chattering. In industrial plants with frequent motor starts, the system enhances overall power quality and operational efficiency.

Applications

Typical applications include compressor stations, conveyor systems, crushers, fans, and pumps. It is also used in marine and offshore installations where generator capacity is limited. The CBS 212A can be retrofitted into existing motor control centres with minimal cabling changes.

Installation and Commissioning

The unit is floor‑mounted or wall‑mounted near the motor starter. Wiring requires careful sizing of conductors and fuses. Commissioning involves setting the boost current and duration, and verifying proper injection timing via a built‑in test mode. A front‑panel display shows operating status and event logs.

Reliability and Maintenance

Constructed with industrial‑grade components and forced‑air cooling, the CBS 212A is designed for continuous duty in harsh environments. Routine maintenance includes cleaning of filters and checking of capacitor health. The system has a self‑diagnostic routine that alerts the operator to any internal malfunctions.

Conclusion

The Basler Electric CBS 212A Current Boost System is a practical, cost‑effective solution for improving motor starting performance and power system stability. Its robust design and flexible settings make it a valuable asset in any demanding industrial application.