New & Refurbishment
BH2M is able to provide new generators and to replace partially or in totality existing electrical machines by customizing the electrical and mechanical design according to operating conditions and efficiency required.
For new and refurbishment projects, BH2M is addressing the complete scope of generators, from the electrical and mechanical phases up to the supply and installation of components (Magnetic core, poles, stator winding, etc...).
The generator design is performed according to operating conditions (Voltage, output, inertia, power factor, etc…) and ensures a high level of efficiency.
Our teams have several numerical and reengineering tools enabling to offer a customized generator fully integrated with turbine, Civil works, BoP and SCADA. We can also offer optional systems in order to improve the operability and the performance of our generators: Dust suction system (braking and brush holder), oil mist suction, injection for thrust bearing or monitoring systems (Vibrations, partial discharges, air gap, etc…).
Components & Systems
Based on the assessment of existing generators, BH2M experts can offer a wide range of components & systems to replace or to upgrade some parts of your machines.
BH2M is able to supply wearing parts & consumables, new electrical and mechanical parts, auxiliary systems and instrumentation. The scope of supply is specifically designed according to client requirements, in order to fit perfectly with the existing machine environment.
Spare parts : bearing pads (thrust or guide bearings), lifting jacks, air or oil coolers, sliprings, etc...
Electrical components: stator coils, stator (roebel) bars, rotor poles & coils, interpolar connections, damper connections, etc...
Auxiliary systems: stator cooling system, bearing cooling system, braking system (jacks or calipers), high pressure injection system, oil mist suction system, dust suction systems (for brakes or excitation brushes), deshumidifying system, etc…
Instrumentation : oil level, temperature sensors, flowmeters, pressure transmitters, etc…
Monitoring: vibrations, partial discharges, air gap, etc…
Assembly and lifting tools: (stator winding assembly, bearing assembly, rotor & stator lifting tools, etc…)
BH2M provides a high level technical support to its customers all along generator the value chain
This support includes technical documentation validation, Factory Acceptance Test of generator components and site commissioning as well as performance tests.
For these activities, BH2M will play a consulting role in order to deliver the best quality of service and the added value expected by its customers.
Example of services:
Electrical measurement & diagnosis, stator core magnetisation, shaft line alignment, rotor balancing
Review & validation of technical documentation (assembly drawings, manufacturing drawings, calculation reports, site erection & commissioning procedures)
Factory Acceptance Test of generator components: stator bars, stator coils, rotor poles, complete stator, complete rotor
Support during site erection & site commissioning activities
Advanced finite elements analysis