Tyco 1540 User Manual

Page 53

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4.3.6 Nominal range of use of influence quantities for measurands

Values of quantities which affect measurement errors to a minor degree for which the
magnitude of the measurement error is defined in this specification.

Voltage

50 .. 120% of nominal

Current

5 .. 120% of nominal

Frequency

Nominal ±10%

Power factor (active/reactive

0.5 lagging .. 1 .. 0.8 leading ,importing

as appropriate)

Temperature

-20°C to +70°C

Input waveform distortion

20% 3rd Harmonic distortion

Auxiliary supply voltage

Nominal ±10%

Auxiliary supply frequency

Nominal ±10%

Magnetic field of external origin

400A/m

Crest values of voltage and current must remain within
168% of nominal maximum rms values

4.3.7 Functional ranges

The functional ranges of measurands and of influence quantities for measurands

Values of measured quantities, components of measured quantities, and quantities which affect
measurement errors to a minor degree, for which the product gives meaningful readings.

Voltage

5 .. 120% of nominal (below 5% of nominal voltage,
current indication is only approximate)

Current

0 .. 120% of nominal
(2 .. 120% of nominal for Power Factor)

Frequency

45 .. 66 Hz

Power Factor

1 .. 0 leading or lagging, importing (active/reactive as
appropriate)

Temperature

-20°C to +70°C

Active power (Watt)

0 .. 120% of nominal, 360 MW Max.

Reactive power (VAr)

0 .. 120% of nominal, 360 MVAr Max.

Apparent power (VA)

0 .. 120% of nominal, 360 MVA Max.

4.3.8 Screen

Update

0.5 second approx.

4.3.9 Standards

Terms, Definitions and Test Methods

IEC688 (BSEN 60688)
IEC1036 (BSEN 61036)

EMC IEC

61326

51

Integra 1540, 1000, 0640, 0440, 0340, 0240 Issue 1 04/03

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