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GB0522841D0
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Voltage transducer for high voltage systems
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GB0411973D0
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Voltage transducer for high voltage systems
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GB0311528D0
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High voltage transducer for power systems
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GB0209876D0
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New design for capacitor coupled voltage transformers for power systems
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GB0110506D0
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New design for capacitor coupled voltage transformer for power systems
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GB0026000D0
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New phase shift for power parameters calculation in the frequency domain
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GB0010720D0
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Power quality sensors for conventional capacitor coupled voltage transformers
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GB0010719D0
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New design for capacitor coupled voltage transformers for power systems
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GB9924998D0
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New phase shifter for power para,eters calculation in the frequency domain
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GB9814793D0
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Power meter for ac electrical systems
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