Logo PTB

Power and Energy, Test Centre System

Working Group 2.33

Profile

The working area of this working group includes realization, maintenance and dissemination of electric power and energy. To achieve this, the existing measurement methods are being permanently improved and new methods are being developed. Collaboration with national and international standardization groups and projects supports a constant exchange concerning actual requirements development in the field of electric power and energy measurement technologies.

To top

Research/Development

  • Development of new measurement procedures for calibration and test of precision measuring instruments for power and energy in the frequency range from 15 Hz to 10 kHz
  • Development of new measurement procedures for testing and basic inspection of electricity meters
  • Performance and efficiency measurements on the inductive charged bus system EMIL from Braunschweiger Verkehrs-AG
  • Integration of PV storage systems for the own power use by using innovative measurement systems (PV storages)
  • Data security und data integration by charging and billing of electricity in the field of electric mobility (DELTA) according to legal metrology / metrological customer protection

To top

Services

Testing and/or calibration of standard electricity meters owned by the state approved test centers for electricity measurement, calibration authority and industrial calibration laboratories.


To top

Information

Primary Power Standard

Short Name Primary Power Standard
Principle Digital Sampling Method
rel. erw. (k=2) Measurement Uncertainty

10-40 µW/VA
         µvar/VA
         µVA/VA

70 up to 90 µV/V
7 up to 40 µA/A
20 up to 400 µrad

Measuring Conditions

30 V up to 240 V
0,005 - 160 A
16,7 Hz up to 400 Hz
-180° up to +180°

 

 

Three-Phase Power Standard

Short Name Three-Phase Power Standard

Principle

Digital Sampling Method
rel. erw. (k=2) Measurement Uncertainty 40 bis 400  µV/VA
                 µvar/VA
                 µVA/VA
Measuring Conditions

30 V up to 480 V
0,01 A up to 160 A
16,7 Hz up to 65 Hz
-180° up to +180°

 

One-Phase Power Standard

Short Name One-Phase Power Standard

Principle

Digital Sampling Method
rel. erw. (k=2) Measurement Uncertainty 10 up to 140 µW/VA
                   µvar/VA
                   µVA/VA
Measuring Conditions

30 V up to 240 V
0,005 A up to 160 A
16,7 Hz up to 400 Hz
-180° up to +180°

 

DC-Voltage for DC-Voltage-References for market authorities

Short Name DC-Voltage-References
Principle Comparison Method
rel. erw. (k=2) Measurement Uncertainty 1,5 µV/V
Measuring Conditions

1 V; 1,018 V; 10 V

 

 

 

 

 

 

 

 

 

To top