Engineering & Materials Science
Electric circuit breakers
100%
DC-DC converters
90%
Electric potential
76%
Electric fault currents
47%
Topology
34%
Capacitors
24%
Offshore wind farms
21%
Insulated gate bipolar transistors (IGBT)
20%
Controllers
20%
Static synchronous compensators
18%
Networks (circuits)
17%
Thyristors
17%
Cables
15%
Electric commutation
15%
Reactive power
14%
DC transformers
14%
Power control
14%
Analytical models
12%
Switches
12%
Voltage control
11%
Testing
11%
Electric power transmission networks
11%
Semiconductor materials
10%
Modulation
9%
Energy storage
9%
Electric lines
9%
Costs
8%
Computer hardware
8%
Fault tolerance
8%
Power converters
7%
Capacitance
7%
Dynamic models
6%
Electric current control
6%
Flow control
6%
Phase control
6%
Feedback
6%
Passive networks
6%
Phase shift
5%
Permanent magnets
5%
Energy conversion
5%
Particle accelerators
5%
Renewable energy resources
5%
Wind power
5%
Compensation and Redress
5%
Damping
5%
Poles
5%
Level control
5%