Lumel N10A, Service Manual

Page 1: ...POWER NETWORK PARAMETER ANALYSER N10A SERVICE MANUAL...

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Page 3: ...ACEPLATE DESCRIPTION 13 4 2 N10A OPERATING MODES 14 4 2 1 MEASURING MODE 15 4 2 1 1 Measurement of voltage and current harmonics 16 4 2 2 TIME SETTING MODE t 17 4 2 3 PARAMETER CONFIGURATION MODE S 17...

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Page 5: ...tiplied by voltage and current ratios of measuring transducers what is taking in consideration in calculations and indications of power and energy The meter shows also the real time The RS 485 interfa...

Page 6: ...e 1 pc lead of the RS 485 interface 1 pc matching resistor 1 pc diskette for the WIZPAR program 1 pc 3 INSTALLATION 3 1 Fitting way The meter is adapted to be mounted by means of holders according fig...

Page 7: ...Fig 1 Overall dimensions and fitting way of the N10A meter...

Page 8: ...3 2 External connection diagrams Direct measurement in a 3 phase network Half intermediate measurement in a 3 phase network...

Page 9: ...Fig 2 Meter connection diagrams in a three phase network Intermediate measurement using 2 current transformers and 2 or 3 voltage trans formers in a 3 phase network...

Page 10: ...10 Direct measurement in a 4 wire network Half intermediate measurement in a 4 wire network...

Page 11: ...11 Fig 3 Meter connection diagrams in a four wire network Intermediate measurement using 2 current transformers and 2 or 3 voltage trans formers in a 4 wire network...

Page 12: ...ion it is recommended to use a double wire twisted conductor in a shield The shield should be connected to the earth in one point The shield is necessary when the environment is very perturbed Fig 4 C...

Page 13: ...parameter units Values of measured parameters are shown on active pages selected by successive pressures of the key A page consists of 4 optional quantities chosen from the table 5 and displayed simu...

Page 14: ...isplay luminosity in the setup procedure Key This key enables in anytime the resignation of carried out operations It cancels alarms in measuring mode 4 2 N10A operating modes The N10A meter has 5 ope...

Page 15: ...of the suitable symbol Accept the chosen mode by the key The return from other modes into the measuring mode is carried out by means of the or key after the last parameter in t S and A modes after the...

Page 16: ...by the or key the required quantity and press the key The following quantities will be displayed Where w n chosen quantity e g U 1 n n harmonic number xxx x value of the n th harmonic The harmonic num...

Page 17: ...sition to hours and minutes settings Where yyyy year mm month dd day The setting of hours and minutes is similar to the setting of the year month and day after min minutes causes the memorization of s...

Page 18: ...ntinuous output Ao_n 0 34 Quantity code acc table 5 Cancellation of the active energy counter EnP0 Y n n Cancellation of the reactive energy counter Enq0 Y n n Cancellation of the apparent energy coun...

Page 19: ...measuring mode causes the setting on the successive parameter after the last parameter causes the memorization of setting values and the exit from the mode S Notice PA_S Y means that the average powe...

Page 20: ...120 0 120 Ao_3 0 off Quantity on the continuous output nr 3 0 1 34 Quantity code acc table 5 AoL3 100 Lower value of the input range 120 0 120 Upper value of the input range AoH3 120 0 120 The entry...

Page 21: ...Code Quantity name Symbol Unit Signalling Mark 00 Without quantity display extinguished 01 Phase 1 voltage U1 k V L1 02 Line L1 curren I1 k A L1 03 Phase L1 active power P1 M k W L1 04 Phase L1 reacti...

Page 22: ...M k Wh L1 L2 L3 36 3 phase reactive energy Enb M k VArh L1 L2 L3 37 3 phase apparent energy EnS M k VAh L1 L2 L3 38 Active energy from external counter EnPz M k Wh 39 Reactive energy from external co...

Page 23: ...k V 31 U23 k V 32 U31 k V 33 U123 k V Page 1 Page 2 Page 3 Page 4 02 I1 k A 09 I2 k A 16 I3 k A 23 Is k A 24 P Mk W 25 Q Mk VAr 26 S Mk VA 27 Pf 35 EnP Mk Wh 36 EnB Mk VArh 37 EnS Mk VAh 38 f 41 dd m...

Page 24: ...24 Fig 6 N10A meter working modes...

Page 25: ...xtremal values Lo F frequency lower than 47 Hz for THD Ui THD Ii measurements Hi F frequency higher than 52 Hz for THD Ui THD Ii measurements 6 TECHNICAL DATA Measuring ranges and admissible basic err...

Page 26: ...ctor 1 00 0 00 1 000 1 m v 2c Error in the range 99 9 0 99 9 tg i factor ratio of reactive power to active power 99 9 0 99 9 1 m v 2c 0 5 m v f frequency 15 0 500 0 Hz Where Ku voltage transformer rat...

Page 27: ...al operation conditions Input signal 0 0 01 1 2 In 0 0 01 1 2 Un for voltage current frequency power and energy 0 0 02 1 2 In 0 0 07 1 2 Un for Pf and t factors frequency 15 45 65 500 Hz sinusoidal in...

Page 28: ...50 10 C Electromagnetic compatibility immunity acc EN 61000 6 2 emission acc EN 61000 6 4 Safety requirements acc EN 61010 1 A1 insulation ensured by the housing dual insulation between circuits basic...

Page 29: ...0 with RS 485 interface 1 Displays red digits 1 green digits 2 Power supply 85 250 V d c a c 40 400 Hz 0 acc order 9 Version standard 00 custom made 99 Acceptance test without additional requirements...

Page 30: ...meter down from the installation and return it to the LUMEL s Quality Control Dept If the unit has been used in compliance with the instructions LUMEL S A warrants to repair it free of charge 2 After...

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Page 32: ...AMP ON METERS INDUSTRIAL and HOUSEHOLD CONTROLLERS CHART AND PAPERLESS RECORDERS POWER CONTROL UNITS and INVERTERS LARGE SIZE NUMERIC and ALPHANUMERIC DISPLAYS AUTOMOTIVE DASHBOARD INDICATORS ACCESSOR...