Energy Management Group
Department of Electrical & Electronic Engineering
Merchant Venturers Building
Woodland Road
Bristol BS8 1UB
United Kingdom
T +44 117 954 5499
F +44 117 954 5206
E energy-management
@bristol.ac.uk
Our expertise encompasses applied research into power electronics, machines and drives, and related modelling and testing methods. Examples of past projects are given below. Please contact us with your R&D requirements.
This research addresses novel highly efficient, compact and lightweight electrical machines and actuator formats, and is underpinned by fundamental research into design optimisation methods, multi-physics numerical and analytical models, new materials and novel manufacturing processes. Many of our concepts have been commercialised by industry. Practically demonstrated attributes include:
110Nm, 45kW, 13,500rpm electric vehicle (EV) traction motor
Compact concentrated stator winding
Embedded and surface magnet rotor designs
Water jacket cooled
3Nm/kg, 1.3kW/kg
Concept rotary wing UAV drive
Fault tolerant, modular stator winding
External rotor
Forced air cooled
11Nm/kg, 1.2kW/kg
Hybrid transmission
33kW traction motor
20kW integrated starter-alternator
3 cylinder diesel engine
20kW, 3000-36000rpm generator
Hybrid PM and reluctance rotor
Spray oil cooled
Position sensorless control
190 ms-1 rotor surface speed
2x 400Nm, 75kW rear wheel-hub drive
Oil cooled
Integrated epicyclic gear reduction
16Nm/kg, 3kW/kg (inc. gearbox)
10Nm, 200W bicycle hub drive
Open slot modular wound stator
External rotor
Naturally ventilated
4.5Nm/kg, 0.1kW/kg
80Nm, 33kW hybrid vehicle traction motor
Distributed winding
Interior magnet, salient rotor
Water jacket cooled
1000Nm, 50kW wind generator
Open slot modular wound stator
External rotor
Naturally ventilated
13.5Nm/kg, 0.7kW/kg
100Nm, 40kW, 12,000rpm traction motor
Compact concentrated stator winding
Low loss winding disposition
Halbach rotor magnetisation
115 ms-1 rotor surface speed
The strengths of the Electrical Energy Management Group have allowed the group to take on a variety of interesting collaborative research projects:
