Circutor Q20711 User Manual Download Page 1

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POWER QUALITY ANALYZER

QNA-P / QNA-PV

( Cód. Q20713 / Q20731 QNA-P )

( Cód. Q20830 / Q20831 QNA-PV )

USER MANUAL

(M98155801-03 / 05A)

(c)

CIRCUTOR S.A.

Summary of Contents for Q20711

Page 1: ...POWER QUALITY ANALYZER QNA P QNA PV C d Q20713 Q20731 QNA P C d Q20830 Q20831 QNA PV USER MANUAL M98155801 03 05A c CIRCUTOR S A...

Page 2: ...NA P PV 18 8 1 Operating setup of the QNA P PV analyzer 18 8 1 1 Transformation ratios for voltage and current transformers 18 8 1 2 Features of the monitored electrical network 19 8 1 3 Quality param...

Page 3: ...the analyzer in order to avoid irreversible damage caused by improper use 1 1 Checking the contents of your package Please check the following points on receipt of the analyzer a The equipment deliver...

Page 4: ...access dangerous areas Therefore the instrument must not be used until it is properly installed 2 MAIN FEATURES The QNA P PV is an analyzer specifically designed to check electrical power supply qual...

Page 5: ...terruption QNA P PV is equipped with three A C voltage inputs which permit simultaneous voltage measurement in all three phases together with frequency measurement in any power system To analyse elect...

Page 6: ...H24 This file contains the data required to obtain a statistical analysis of the harmonic evolution in one day STP This file stores average values for voltage frequency flicker pst and plt and the THD...

Page 7: ...gy varistors absorbing surges to avoid any costly repairs Noise filters in voltage and current inputs to ensure reliable measurements even under the most adverse operation conditions Power supply tran...

Page 8: ...P PV is equipped with an internal date and time clock to store automatic data recordings and quality events in the memory at regular time intervals The QNA P PV storage memory is divided into four in...

Page 9: ...operation of all instrument functions and to maintain it in a safe condition If the instrument is not used according to the manufacturer s specifications the instrument s protection may be damaged No...

Page 10: ...e phase distribution line with neutral conductor 4 wires or without neutral conductor 3 wires Measurements solely depend on the connection mode and the analyzer configuration The connection of an eart...

Page 11: ...ws RS 232 connection to PC or to external modem QNA P PV PC 1 DSR 5 GND 2 Rx 3 Tx 3 TX 2 Rx 4 CTS 7 RTS 5 RTS 8 CTS 6 GND 5 GND The RS 232 communication cables must always be disconnected to establish...

Page 12: ...age in the Earth measurement circuit 500 V AC between Neutral Earth 5 Maximum permissible current Depends of the clamp In 2 V c a 6 Consumption 16 VA 8 W 7 Operating conditions Operating temperature r...

Page 13: ...rrectly installed or configured Possible causes might be The analyzer detects an event This can mean a real event in the network or a wrong rated voltage setting where the set value does not match the...

Page 14: ...Page 13 5 3 Connection drawing for the QNA P PV...

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Page 16: ...Page 15...

Page 17: ...ing of multiple and long term voltage interruptions The battery is charging when the analyzer is connected to the mains The QNA P PV analyzer is equipped with an intelligent energy charging system Thi...

Page 18: ...in each phase Use the and buttons to move through each available display screen 7 3 Display screens The available display screens on the QNA P PV analyzer are as follows Voltage measured in the netwo...

Page 19: ...through a PC The QNA P PV analyzer s performance will depend on the user configuration of the instrument There are two different setup procedures for configuring the analyzer Operating Setup To defin...

Page 20: ...neutral conductor 3 wires or Aron The proper setting of this point is essential to ensure the correct detection of events This choice must also match the external connection configuration Circuit typ...

Page 21: ...age Every semi cycle where the RMS value is below the defined limit is said to be an interruption A record will be saved in the events file EVQ every time this limit value is exceeded indicating the m...

Page 22: ...option is disabled No then the 10 cycle block would be only added to the voltage average Integration of 10 cycle blocks with events voltage affecting the STD file only An event voltage swell dip may...

Page 23: ...e power L X X X STD Reactive power C X X X STD Power Factor X X X STD Active energy X STD Reactive energy L X STD Reactive energy C X STD Energy Generation Active power X X X STD Reactive power L X X...

Page 24: ...signal wave type on finishing the recording Unbalance Asymmetry rate ratio of homo polar voltage to direct voltage Unbalance rate ratio of inverse voltage to direct voltage 8 2 2 Events file EVQ The a...

Page 25: ...n of the time when the user decided to format the QNA P PV s internal memory Forced memory formatting The QNA P PV s internal memory will be automatically formatted if any error in this internal memor...

Page 26: ...Configuration and operation of the SMS alarms The QNA P PV GPRS GSM model only may configure up to 8 different alarms A maximum and minimum limit and a time period may also be set for each alarm They...

Page 27: ...network 0 to 550 V AC line to neutral 0 to 952 V AC line to line 3 wire network 0 to 550 V AC line to line Scale switch Automatic Other voltages Via voltage transformers Frequency 42 5 69 Hz Current m...

Page 28: ..._ EM EMISSION EN 61000 3 2 1995 Harmonics EN 61000 3 3 1995 Voltage fluctuations EN 50081 2 1993 Industrial emission EN 55011 1994 Conducted EN 55022 Class B EN 55011 1994 Radiated EN 55022 Class A EM...

Page 29: ...nt is open and switched on Qualified technicians must carry out these actions when they are necessary Before any adjustment replacement maintenance or repair the instrument must be totally disconnecte...

Page 30: ...required when a new SIM card is inserted in the QNA GSM analyzer regardless of whether it is the first installation or a replacement SIM Proceed as follows 1 With no SIM card inserted 1 Turn on the QN...

Page 31: ...e analyzer 2 Inserting the SIM card 8 Loosen the screws on the SIM holder cover SIM holder cover 9 Carefully pull out the piece 10 Release the SIM holding lock 11 This position of the lock permits the...

Page 32: ...results of the operation The result may be Successful The QNA modem is ready to operate Error The SIM card has not been initialized Check the configuration again carefully following all steps Upon co...

Page 33: ...en correctly carried out 3 Connect the RS 232 communications cable to the equipment 4 Using the PowerVision software enter the device s general parameters and then press GPRS 5 The following message w...

Page 34: ...s general parameters and then press SMS Alarms 4 The following message will then appear on the screen to allow the SMS Alarms parameters to be changed 5 Up to 8 alarms may be enabled at the same time...

Page 35: ...d and deactivated 5 Defining maximum Minimum and Hysterisis limits The maximum and or minimum values to set off an alarm are now set The hysterisis value is the margin value to fulfil the alarm condit...

Page 36: ...message sent FOR EXAMPLE Example of a voltage alarm setting and the different conditions which may be set 1 The following parameters are set Variable V1 ON and OFF mode Upper limit Maximum value 240...

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