PLV Series Frequency Inverters
The PLV series frequency inverters are vector devices equipped with automatic electricity consumption optimization features. They are designed for torque control in asynchronous motors, allowing for a 35% reduction in energy consumption during operation.
Structural Features
The design of the inverters includes built-in network filters as well as filters in the direct current links. These elements comply with GOST R 51522 standards for class A equipment regarding electromagnetic compatibility.
Types of Frequency Inverters
The series contains compact universal frequency inverters for general industrial purposes in medium and low power ranges:
- Six varieties with three-phase inputs rated at 0.19-2.3 kW;
- Five varieties with three-phase inputs rated at 0.38-4.1 kW.
This belongs to the PLV 1 subtype. The PLV 2 subtype includes six varieties with three-phase inputs rated at 5.6-22.1 kW. The PLV 3 subtype is a new perception with a wide range of powers and special HVAC options, which includes:
- Nine varieties with three-phase inputs rated at 0.25-11 kW with a voltage of 200-240 V;
- Eighteen varieties with three-phase inputs rated at 0.38-90 kW with a voltage of 380-490 V.
Areas of Application
The PLV series frequency inverters are widely used in:
- Heating systems;
- Industrial installations;
- Air conditioning and ventilation systems;
- Centrifugal pumps;
- Fans;
- Conveyors;
- Compressors;
- Dosage and packaging machines;
- Drawing and rolling mills;
- Flour mills;
- High-speed separators and centrifuges.
The use of inverters from this series significantly expands the operating ranges in control, increases the accuracy of regulation, and substantially enhances the responsiveness of electric drives.
Technical Specifications
- A multitude of modifications: PLV1, PLV2, PLV3 with high power potential;
- Maximum possible power up to 22 kW;
- Minimum power of 0.18 kW;
- Operating voltage from 200 to 480 V.
Advantages of Use
- A thoroughly developed protection system (for temperature, torque, current, and various types of short circuits);
- In vector mode without feedback, achieving 0.5% actual accuracy in torque maintenance;
- Rapid and quick configuration.