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NCT power supplies

Efficient power delivery for servo amplifiers

NCT power supplies

- Regenerative power feedback to the grid for efficient energy management
- Output voltage: 24V, 310V, 540V
- Load capacity: 6 A to 160 A

Structure of NCT drive systems

NCT drive system servo amplifiers do not include a rectifier unit. Instead, a separate power supply module provides them with energy. The DC bus between the power supply and the servo amplifier modules carries rectified current, enabling efficient and reliable power delivery.

Modular and easy-to-install system

Direct mains supply and the modular design simplify electrical planning, creating the mains feed, and later system modification or replacement.

arrow Uniform design – all modules have the same depth, and all electrical connections are located on the front panel
arrow Neat and transparent layout – a system that can be installed in one or multiple rows and is easy to cable
arrow Flexible scalability – NCT drive systems can be easily scaled and expanded

NCT power supplies – reliable power delivery

The primary role of NCT power supplies is to provide stable power to servo amplifiers. These systems supply DC voltage on the DC bus output, which is smoothed almost completely by a high-capacity capacitor bank.

arrow Low-ripple DC voltage – stable operation
arrow System with a mains choke – reduced harmonics
arrow Soft start – prevents overcurrent protection from tripping

Energy regeneration and braking mechanism

Every drive system supports braking operation, when power flows back from the motor to the main power supply.

arrow Energy storage – the capacitor bank absorbs regenerated energy
arrow Dissipation as heat – via a braking resistor
arrow Regeneration back to the grid – with a DPB power supply

DPS power supplies do not include a built-in braking resistor, so they generate less heat and do not warm up the electrical cabinet. When using an external braking resistor, an internal unit is not recommended.

In case of frequent braking operation, using a regenerative power supply is recommended, even for low-power drives, to maximize energy efficiency.

Choose NCT power supplies for a reliable and energy-efficient drive system!

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Key features

arrow EnDat 2.2 encoder processing: 33 million positions per revolution
arrow EtherCAT communication system
arrow Parameter setup from the CNC controller
arrow 10 A to 225 A
arrow Output power: 1.2 kVA to 125 kVA
arrow Auto-tuning
arrow Second-order deceleration/acceleration
arrow Smooth interpolation
arrow Tandem configuration
arrow High-speed and high-accuracy machining
arrow Nano interpolation
arrow 36-month warranty

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