Generators, Condensers & Motors

Synchronous Motors

BRUSH has extensive experience in the design, service and repair of a broad range of motors.  Regardless of the original equipment manufacturer BRUSH can provide a complete range of engineering services to support the customer’s needs.


Based on the extremely successful and reliable DAX generator range, the BRUSH MAX motor range can be fully customised to meet customer specifications.

As with our range of DAX generators, the typical operating benefits of the MAX motors are:

  • Low maintenance
  • High reliability
  • More than 30 years’ design life

Key benefits

High Efficiency
Lower Cost of Ownership
Reduced Equipment Downtime
System Decarbonisation
Proven Design
Project Case Study

Synchronous Motors for Compressor Drives

The project, seen as one of the industry’s most successful development programmes, delivered on time and on budget.

Today the facility is operated by Norske Shell and delivers over 20% of the UK’s gas.

Technical Specifications

Shaft Power20MW up to 100MW
Poles2 pole
Voltage per windingUp to 15kV
Rated speedNormally 3000, 3500 or 3600 rpm, but to suit application
Speed range2,520 to 3,780 rpm
Torque Capacityconstant power from rated speed to maximum continuous speed
Design standardsIEC 60034, NEMA MG1
Motor protectionPurge and pressurised (Ex P) for:
IECEx Zone 2 IIB T3,
ATEX Zone Zone 2 Group II Category 3G,
Ingress Protection to IP56
Cooling systemClosed loop air to water (CACW or TEWAC)
Noise level85dB(a) at rated speed
ExcitationStatic or brushless 3 phase
Ambient temperatures-40 °C to 60 °C
Motor efficiency>98%

Strategic Parts Management

To protect against loss of revenue through unscheduled outages and ensure the reliable operation of capital equipment, we recommend a combination of OEM certified Operational Spares, Maintenance Spares, Strategic Spares and Commissioning Spares based on site configuration and site specific operational conditions.


Speak to Our Team

BRUSH has a global reputation for service excellence and dedicated customer support. Whether it’s the provision of parts or the delivery of service support in the field, at the customer’s premises or at our network of Service Workshops.

With a wealth of experience and knowledge expanding over more than 145 years, the capabilities of BRUSH are endless and service unrivalled, with engineers stationed worldwide and spare parts ready 24/7/365, it is a truly global organisation.