High-voltage electric motor 355 kW, 2975 rpm, 6 000 V, H17R-355-A-2-6

3000 rpm electric motor for energy-intensive lines

In metallurgy, pumping technology, compressor stations and heavy production systems, operation depends above all on how the motor handles long-term load and thermal stability. Model H17R-355-A-2-6 with an output of 355 kW is designed to support energy efficiency under both normal and peak loads while retaining reserve for technological changes. In practice, this means lower demands on the electrical network, lower losses and better control of operating costs during year-round deployment.

For operators of large factories, it is also important that this is a 3000 rpm electric motor that meets the requirements for stable operation of drives in the high-voltage class. With this design, VYBO Electric uses a solution that respects the requirements for starting, load and long operating cycles without frequent shutdowns.

IE4 Super Premium efficiency in the practice of 6 kV industrial drives

IE4 Super Premium efficiency is particularly apparent where the motor runs under high load and every kilowatt-hour affects the production budget. In 6 kV industrial drives, this approach is important for conveyors, fans, mixers and mills that operate continuously and require stable electrical output. In such a regime, the advantage of efficiency is reflected not only in consumption but also in lower thermal stress on the system.

The high-voltage electric motor from this series is intended for applications where long-term return on investment is monitored while precise integration into existing technology is required. The 6000 V electric motor helps keep the network power profile under control while retaining room for safe drive sizing.

Compact 6 kV motor with a 355 mm frame size

The 355 mm frame size makes it possible to install the compact 6 kV motor even in projects where output in the H315 to H560 frame range must be used without unnecessarily enlarging the entire system. Such a solution is practical when modernising lines where machine-room space is precisely defined and every centimetre matters for installation, service and cable routing. The design also supports easier integration into technological systems produced by OEM manufacturers.

A two-pole electric motor is suitable for operations where a higher speed level and smooth connection to the machine’s power characteristics are required. H17R Compact PRO-HV therefore appeals particularly to projects where precise behaviour in steady-state operation and long service life in continuous duty are expected from a single drive.

Durability for demanding environments

Special protection for demanding environments is practical in operations with dust, increased humidity, process vapours or outdoor installation. Available IP56, IP65, IP66 and IP67 protection ratings give designers room to select protection according to the actual conditions at the installation site. This reduces the risk of unplanned interventions and improves the overall reliability of the drive in critical production sections.

Such a solution is also suitable where the high-voltage electric motor becomes part of a technological system with limited service access. This makes it possible to adapt machine protection to the specific process rather than merely to the general project requirements.

Accessories and monitoring for more precise operation

At this output level, monitoring of temperature and bearing condition is also important. Available equipment includes 6xPT100 in the winding, 1xPT100 in the NDE bearing, 1xPT100 in the DE bearing, an anti-condensation heater and 3xPTC thermistors, helping with integration into systems with their own monitoring and with protection during shutdowns. For OEM manufacturers and factory technical departments alike, this is a practical basis for evaluating drive condition without unnecessary interruptions to production.

A weight of 3075 kg, rotor moment of inertia of 3,300 kg·m², rated current of 40 A, rated speed of 2975 rpm, rated torque of 1140 Nm, power factor of 0,9, insulation class F, temperature rise B, copper strip in the rotor cage and 6317-C3 bearings on the DE and NDE sides are parameters that support long-term operation under real technological conditions. A 3000 rpm electric motor designed in this way is suitable for raw-material pumps, process fans, high-pressure compressors, bulk-material conveyors, auxiliary rolling drives, mixers in chemical production, briquetting lines, aggregate crushers, plastics granulators and roller-sorter drives. If the drive needs to fit into the production line without delay, order it in good time and prepare the solution for the next shutdown.

Solution for long-term deployment

VYBO Electric builds on years of experience designing motors for industrial applications, and this foundation is evident throughout the H17R Compact PRO-HV series. For large technological systems, it is important that output, efficiency and protection can be handled within a single design prepared for long service intervals. When planning new lines or replacing existing units, it is therefore appropriate to consider not only output, but also installation availability, operational monitoring and protection requirements according to the environment.