CARLO GAVAZZI WM23-96 - PROGRAMMING Manual de Instruções descarregar pdf (Página 35)

The instantaneous variables are displayed clearly and neatly; moreover they are displayed

with characters at various heights, according to their importance, and they are grouped per

page, by system variables and phase variables so that they can be easily compared among

them.

Particular attention has been given to the way of displaying the variables: in case of TPF

and DPF the values of each phase are displayed together with the FRESNEL diagram.

The energies are displayed: by consumed and exported active, reactive and apparent

energy and by time period.

The behaviour of the current and voltage variables is displayed comparing the relevant

waveforms for each phase. Moreover, also the main instantaneous variables are

displayed in a numeric form: V-A-TPF-Hz.

The FFT analysis displays the harmonic content in various pages: by phase, current and

voltage. A pointer allows the operator to display for each harmonic the percentage value,

the absolute value as a current or voltage and the corresponding harmonic order.

PqaSoft This Windows 95/ 98/ 2000/ XP based software allows the user to download

all the data acquired by PQA700 during the measuring phase. PqaSoft allows the user, by

means of icon buttons, to display simply and intuitively the data stored in the memory of

the instrument; it also allows a graph processing of current and voltage (oscilloscope func-

tion) and the displaying of histograms relating to the FFT (harmonic analysis). Other avail-

able functions are: management of energy meters by time periods, export of the data

acquired as TXT format files readable by different Windows programs, possibility of instru-

ment configuration from the PqaSoft, data logging of up to 20 variables in TXT format files

directly on the hard disk of the PC. All the PqaSoft functions are available connecting

PQA700 and the PC directly. Furthemore PQA700 allows the user to download the stored

data and to program it by analogue modem.

Display of current and

voltage for each phase

with indication of the

harmonic contents.

Display of MIN and

MAX values with time

reference to the phase

voltage and current, to

the active and apparent

power, to the system

power factor together

with the average power.

Real time display of the

main variables.

Display of all the ener-

gies with reference to

the consumed and to

the exported energies.

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