Electric motor 1000 kW, 747 rpm, 6000 V, H17R 500-C-8-6 MV

H17R 500-C-8-6 with an output of 1000 kW provides practice with a reliable foundation for efficient operation of a medium-voltage drive in the speed range of 700-750 rpm. In the configuration for 6000 V and a rated speed of 747 rpm, it is a solution suited to integration with operations that place high demands on continuity, precise control and service predictability. The design is based on VYBO Electric’s own development and the use of premium materials, which is especially important under long-term loading in the energy sector and heavy industry.

A design that maintains performance even under continuous load

The motor is designed as a medium-voltage asynchronous electric motor for demanding operations where high efficiency, stable torque and resistance to thermal stress are required. Rated current 121 A, rated torque 12784 Nm, efficiency 96.1 % and power factor 0.83 create a balanced operating profile for technologies with long duty cycles. Insulation class F together with temperature rise B provides a safe reserve under real load and when conditions fluctuate in sites with extensive energy infrastructure.

The rotor inertia of 48.0 kg·m² helps with smooth starting of the system, while The rotor cage is made of copper bars supports high conductivity and long-term mechanical durability. The values Tst/Tn 1 %, Tmax/Tn 2.1 % and Ist/In 5.3 % are part of the operational design for applications where it is important to minimise unwanted stress on the supply network as well as on the drive itself. For drive system integrators, it is important that both the DE bearing and the NDE bearing are available on request, which makes precise sizing easier according to the specific technology.

700-750 rpm in practice for stable high-power drives

The range of 700-750 rpm corresponds to an operating class in which this motor is naturally used for pumps, compressors, conveyors and other machines with an emphasis on pull, uniformity and long service life. For OEM manufacturers, it is an advantage that H17R 500-C-8-6 with an output of 1000 kW allows drives to be designed with high power density without unnecessary compromise in service accessibility. A weight of 7190 kg and a frame size of 500 mm provide a robust basis for mechanical integration into larger technological assemblies.

The practical value is also increased by the accessories, which the equipment includes as a standard support element for monitoring and protection. PT100 sensors for windings and bearings provide accurate temperature feedback, the anti-condensation heater reduces the risk of moisture stress during shutdowns and the trio of PTC thermistors strengthens protection in critical conditions. Such equipment is especially appreciated by operations that need to minimise unplanned downtime and keep the motor’s behaviour under control in demanding conditions.

Industrial applications of the medium-voltage motor

The three-phase 6 kV motor is used in technologies where reliable energy transfer is required at a higher voltage level and stable speed. In practice, this is a solution for power blocks, water supply systems, mining lines, metallurgy, cement plants, steelworks and large technological units with their own distribution infrastructure. Thanks to its efficient design, it is also suitable for modernisations where reducing operating losses and improving maintenance intervention planning are being pursued.

• Drive for large pumps in the energy sector and water supply systems.
• Drive for compressors in industrial distribution systems and process units.
• Conveyor systems in mining and in the processing of bulk materials.
• Drive for mills and crushing equipment in cement plants.
• Main technological drives in steelworks.
• Rotary equipment in the chemical industry with high availability.
• Pumping stations for industrial media and cooling circuits.
• Complex drive units in OEM machines with high loading.
• Modernised lines where higher energy efficiency is required.
• Operations with a continuous production regime and a service window reduced to a minimum.
• Infrastructure with a focus on monitoring winding and bearing temperature.
• Technologies where a durable 8-pole electric motor is required.

Parameters that simplify integration into large technological units

In system design, it is decisive that the 500 mm frame size and copper rotor cage provide a robust mechanical and electrical base. The motor is suitable where long service life, stable operation and a service regime with clearly defined diagnostics are expected. IP56, IP65, IP66 and IP67 enclosure variants are also available, so the deployment can be adapted to the environment, dust levels, humidity or requirements for wash-down capability and increased protection.

For technical teams, it is also important that VYBO Electric is among the largest industrial companies in its field in Central Europe, which is reflected in supply stability, technical advice and support during project design. If you are designing a new drive or modernising an existing assembly, check the motor’s suitability for your application and verify the availability of the solution according to the required enclosure, bearings and operating conditions.