HANNOVER MESSE 2018, 23 - 27 April

DS inverters

Logo DS inverters

Exhibition stand

Hall 14, Stand J03

Product description

DS inverters: The general purpose inverters special for pumps and HVACR.

DS frequency inverters offer a perfect combination of performance, functional simplicity and compact dimensions. They are specifically designed for use in applications that demand high levels of performance and reliability, dynamic response and ease of operation. DSV SERIES inverters are designed for use with three phase power supplies from 230 to 460 V, and to control motor between 3 and 18.5 kW (400 V) and from 4 to 25 HP (400 V). The drive rectifies the voltage of the mains power supply to obtain an intermediate circuit voltage, then uses an inverter bridge applying sinusoidal PWM modulation to generate a three phase power supply with variable voltage and frequency permitting regular, smooth motor control even at very low speeds. Feed voltages to the various control cards are obtained from a switching power supply that also draws its power from the intermediate circuit. The inverter bridge is based on IGBT (Insulated Gate Bipolar Transistor) devices. If more than one motor is driven in parallel by a single drive motors can be switched in and out independently even during normal drive functioning.
Main characteristics:
- Programmable slip compensation to minimise load-related speed variation
- Automatic voltage and frequency control in case of overload to avoid motor stalling
- Manual or automatic low speed voltage boost
- Keypad or RS 485 serial line parameter control
- Referencing with 0...10 V, -10...10 V, 0...20 mA, 4...20 mA analog signal, or via serial line
- Programmable DC braking
- Wide selection of V/f ratios
- Drive potentiometer with or without memory
- Independent PID function
- Maximum output frequency 500Hz
- PWM regulation up to 18 kHz
- 150% overload for 60 secs. every 10 minutes
- EMC filter (class A or B)
- Integrated braking unit
Field Bus options (CanBus, DeviceNet, Profibus)
® E2PROM key for saving custom settings for specific applications

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