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Z200 PV Analyzer

User Manual

emazys.com

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Содержание Z200

Страница 1: ...Z200 PV Analyzer User Manual emazys com ...

Страница 2: ...k 8 4 2 Labelling on instrument 8 5 Introduction and operation 9 5 1 Front panel elements 10 5 2 WiFi setup and Z200 WiFi basics 11 5 3 Requirements for controller devices 12 5 3 1 Recommended internet browsers for controller devices 12 5 3 2 Appearance of main Graphical User Interface GUI 13 6 Applications and measurements 14 6 1 Settings 15 6 2 Ground Fault 16 6 3 String Tester 18 6 4 VOC 21 6 5...

Страница 3: ... 29 A Technical data and specifications 30 B Packaging list and Warranty note 32 C PV Analyzer Z200 String Tester Report 34 D PV Analyzer Z200 Module Tester Report 36 E PV Analyzer Z200 Ground Fault Report 38 ii ...

Страница 4: ...jury or death WARNING Personal injury death Risk of electrical shock CAUTION Damage to the machine or accessory A situation of use of a technical nature or the like which can cause damage to the machine or accessories NOTICE Important information A situation of use of a technical na ture or the like which is very important 1 2 Tips and recommendations Please note that the manual uses the following...

Страница 5: ...vice center within the warranty period To obtain warranty service contact EmaZys service center on E mail sales emazys com to obtain return authorization information then send the product to the service center with a description of the diﬃculty postage and insurance prepaid FOB Desti nation EmaZys assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer...

Страница 6: ... There is no warranty on the device if you use other cables than the supplied The warranty will be invalid if the product is damaged due to any of the following Neglect to follow the User Manual Use of the product for purposes for which it was not intended Natural wear Incorrect ﬁtting Mechanical or technical alterations Use of unauthorized spare parts 3 ...

Страница 7: ...you have not received all parts please contact EmaZys or your local distributor Z200 PV Analyzer std kit 1 Z200 PV Analyzer 2 Tone pickup 3 RRC2054 Battery 4 RRC SMB MBC Standard Battery Charger 5 Banana MC4 PV testing lead 6 Banana MC4 PV testing lead 7 Banana Croc GND testing lead Note The picture shows the std Z200 PV Analyzer testing kit A range of different acces sories can be supplied from E...

Страница 8: ...the instrument See battery speciﬁcations in the section Technical data 3 2 2 Control interface The control interface is separated from the main instrument box in a wireless manner and you may use a smart device with WiFi transceiver with an internet browser as controller device The front panel itself only includes instrument status LEDs the ON OFF WAKE UP button battery acces and WiFi antenna 5 ...

Страница 9: ... If you need other types of adaptors please contact EmaZys or your local distributor Make sure to connect the inputs correctly on the Z200 Cables are all colored accordingly WARNING Personal injury death Make sure cables used to connect the instrument to photovoltaic modules and strings are CAT III 1000V compliant WARNING Personal injury death Risk of electrical shock CAUTION Damage to the machine...

Страница 10: ...Z200 and the User Manual are intended for use by adequately trained personnel Before use the operator must have read the user manual The User manual must be kept near the instrument WARNING PV module measurements are performed in high voltage areas Always use approved safety equipment designed for high voltage installations If subjected to an electrical shock you must seek medical advice even if y...

Страница 11: ...ses a pop up window will appear to instruct the op erator on how to proceed if a failure occurs Most often a power OFF ON cycle will be suﬃcient to fully analyse and in most cases also clear temporary errors 4 2 Labelling on instrument In the lid of the instrument is placed a Quick guide sticker that shows how to get started You will also ﬁnd a number symbols for safety etc Please read and underst...

Страница 12: ...eck 4 PV string series resistance RS 5 PV string string open circuit voltage VOC 6 PV string string short circuit current SC 7 PV system isolation resistance RISO 8 PV module voltage 9 PV module bypass diode check 10 PV module shunting resistance module cell degradation 11 Integrated timer for periodic faults 12 Tone generator and tone tracer pickup 13 Build in PDF report generator The instrument ...

Страница 13: ... WiFi antenna is ready to transmit and receive data The red LED will in general blink when the instrument is busy with either measure ments or analysis Placed on the middle of the front panel we ﬁnd the ON OFF switch When the instrument is turned on a small LED in the but ton will emit green light The ON OFF button also controls the Timer application This application is described in detail in the ...

Страница 14: ...ep resents unique numbers for every Z200 hotspot Once you have found the hotspot simply connect using the password Xoplag10 3 Open your internet browser e g google Chrome and type z200 in the URL bar If you are already connected to the internet by other means you have to type 192 168 4 1 instead as this signiﬁes to your device not to look up the Z200 through a DNS server but only ﬁnd it within the...

Страница 15: ... out of reach of the Z200 it may also be necessary to reconnect your device with the Z200 depending on the availability of other nearby networks within reach of your device 5 3 Requirements for controller devices The controller device may be a smartphone a tablet computer or a PC MAC It is left to the user to choose his preferred device In some situations a smartphone may be suﬃcient and in other ...

Страница 16: ...in Graphical User Interface GUI Below we see screenshots of the main Graphical User Interface GUI The GUI is basically a sim ple website hosted on the Z200 PV Analyzer Main menu User Interface This screen will appear in your browser window when connected with the Z200 WiFi hotspot 1 The Main button leads back to this main GUI screen from any other page in the controller inter face 2 The charging s...

Страница 17: ...ent This is also the case if you want to estimate the overall string series resistance RS When checking the health state of module bypass diodes it is also neces sary with ambient sunlight intensity at each module of at least 100 W m2 Please note that testing the health state of the diodes in a speciﬁc PV module in the string requires blocking the sunlight from reaching that module If RP of the st...

Страница 18: ...rposes APPLICATION Settings is used to enter basic information about your company name of technician the site you are working on and other relevant information for documentation purposes The information entered will go in the PDF report generated by the instrument Select Settings in the main menu Type in your company name name of technician and site location For each measurement report you have th...

Страница 19: ...position the fault First enter the number of PV modules using the and keys The measurement will take 45 60 seconds In the Re sults window the measured RISO together with the string VOC are returned After the measurement is done you can download a PDF report with the results to your device for documentation purposes Simply press the Generate re port button and follow the instructions in the GUI 16 ...

Страница 20: ...n BEFORE repairing the string e g replacing a cable segment or PV module It is good practice to verify correct connection of the string to the instrument AND suﬃcient illumination of modules 100 W m2 by comparing the measured PV voltage with the expected voltage Number of modules multiplied by the Voc of each module in the string The measurement analysis assumes that modules in the string are prod...

Страница 21: ... scope of this manual and the reader is referred to textbooks on the subject matter e g Electrochem ical Impedance Spectroscopy by authors Mark E Orazem Bernard Tribollet However a full understanding of such theory is not a prerequisite to work with the Z200 PV Analyzer Connect the instrument to the PV string and press the Measure button to collect a spec trum The measurement will take 30 60 sec o...

Страница 22: ...5 RS is the series resistance RS should be estimated in the frequency range f 100 Hz to f 10 kHz where the simple model is most accurate at higher frequencies e g effects of cable inductance become a fac tor and cause the impedance to increase At EmaZys a study on more than 500 commercial modules representing various PV cell technologies and sizes has been conducted A worst case relationship conce...

Страница 23: ...or tips on how to quickly locate the fault RP is the string parallel shunting resistance a value that will be several kΩ per PV module when the solar cells are in a healthy condition The effect of RP is only seen in strings that are partially or fully shaded or at nighttime RP is estimated at low frequencies where the effect of Cd the diffusion capacitance is minimal INFORMATION If RS is greater t...

Страница 24: ... continuously measure the VOC value at the and terminals of the instrument The value is continuously updated in the user interface Voltage is shown instantly In the example to the right almost 410V is measured across 12 x 250 W mc Sil icon modules indicating irradiation close to Standard Test Conditions 21 ...

Страница 25: ...g con nected The condition for a PV system disconnect is a string impedance at low frequencies with a value higher than 10 kΩ The number of PV modules is ad justed using the and buttons Then enter cable length m to the posi tive and the negative string terminal point Last enter the cable capacitance Use the default value of 80 pF m for normal dry weather conditions Set the value at 120 pF m in wet...

Страница 26: ...re unavailable the user is advised to conduct the measurement close to the string of PV modules thus omitting most of the cable between the instru ment and the solar module string This is the rea son for the two step measurement process which al lows for a measurement from the positive terminal to ground without the negative terminal being con nected and vice versa in terms of the measurement from...

Страница 27: ...he number of PV modules N must be adjusted using the and but tons Select the duration length of the timer test using the buttons a ground fault test will be conducted every 15 minutes during the duration of the test The Schedule Timer but ton will start the test when pressed The WiFi antenna will close down dur ing test When the timer function is active the diode will change colour from bright gre...

Страница 28: ...orm Modules with a low voltage relative to the majority of the string modules may then be identiﬁed in a convenient manner If a single module voltage is found to be about 2 3 or 1 3 of the normal open circuit mod ule voltage the problem could be caused by 1 or even 2 bypass diodes that are in a short circuit state Short circuited bypass diodes are often seen as a damage following lightning strikes...

Страница 29: ... result of the measurement is a Module Risk Factor MRF that is assigned to each module The higher the MRF is for a module the more likely it is that electric power will be dissipated in the module in case of longterm shading or internal cell damages This will in most cases lead to so called hot spots and burn marks which causes signiﬁcant irreversible damage to the system NOTICE It has been seen i...

Страница 30: ...ings Disconnections may also be found using the pickup Simply start the Tone generator and use the pickup to detect the transmitted frequencies This mode sends out a medium fre quency tone between positive and negative terminals This mode alternates between high and low frequency between ground and positive and between ground and negative NOTICE Important information If only a partial disconnect e...

Страница 31: ...a year The instrument must be sent to your local service partner or the manufacturer for calibration 1 Remove the battery before shipping the instrument 2 The instrument must be securely packed in a suitable cardboard box 3 Shipping back and forth is exclusively at the user s responsibility and cost 28 ...

Страница 32: ...to EU regulations 9 Support If you need support please contact EmaZys Go to our website EmaZys com and ﬁnd updated contact information e g phone numbers This manual and our website is updated whenever a customer reports a new topic that must be attended The website also contains various articles with background information and videos to help you Please carefully study this manual to unveil the man...

Страница 33: ...Z200 PV Analyzer User Manual A Technical data and speciﬁcations Figure 5 In this graph we see the impedance accuracy contour plot for the Z200 PV Analyzer 30 ...

Страница 34: ...recision stable light conditions 50 kΩ 10 Analysis Above 40M Ω RISO is returned as RISO 40M Ω Below 100kΩ RISO is returned as RISO 100kΩ Detection and localization of ground isola tion fault RISO Z200 PV Analyzer Threshold for localization of a ground fault 3 MΩ Localization precision stable light condi tions 0 5 PV module Localization resolution 0 1 PV modules Conditions Irradiation 100 W m2 Stri...

Страница 35: ...by battery Operating Temperature 0 C to 35 C limited by battery Operating Altitude up to 3000 meters Battery Battery model RCC2054 Technology Li Ion DC 15 V 3200 mAh 48 0 Wh Operating time 8 10 hours Standby Sleep time max 150 hours in sleep mode Recharge time B Packaging list and Warranty note The following is packed with the Z200 PV Analyzer kit from EmaZys ApS tablet computer not included Warra...

Страница 36: ...d AMLS4 150 black MC4 connector Ø4mm banana connector 1 PV AMLS4 150 MC4 321199150 21 Test lead 2 5mm 1 5m XMS 419 red Sili 1000V 32A CATIV 1 XMS 419 9392150 22 Test lead 2 5mm 1 5m XMS 419 black Sili 1000V 32A CATIV 1 XMS 419 9392150 21 Grounded power cord Max 2 5A 250V CEE 7 7 IEC C5 1 DEL 109CA Power cord Ideal Tone Pickup 1 62 164 5706445470440 RRC2054 smart battery pack 1 410031 05 RRC2054 RR...

Страница 37: ...PV string Bottom silicon Date 12 09 2018 Time 12 07 30 Number of PV modules in string 12 Instrument Name Z200 R1E00011612002 Installed software version 3 5 28 Results Results Open circuit voltage 429 7 V Short circuit current 3 3 A Low frequency norm 6Ω Low freq norm with load 14Ω Rs 8 Ω Isolation Resistance RISO 40 MΩ Estimated position of RISO 34 ...

Страница 38: ...Z200 PV Analyzer User Manual String Test Conclusion This function performs several tests to give a general health status of the PV string Field Notes Looks good 35 ...

Страница 39: ...19 Installed software version 3 6 7 Baseline Baseline voltage 584 0V Total voltage drop measured 561 3V Low freq norm with load 15Ω Low frequency norm 14Ω Invalid measurements 0 Module results Module nr MRF Voltage Rp Invalid measurements 1 0 37 2V 4 9Ω 2 0 36 9V 5 5Ω 3 0 35 4V 6 0Ω 4 0 35 5V 4 7Ω 5 0 35 3V 5 3Ω 6 0 34 9V 5 1Ω 7 0 34 7V 4 4Ω 8 0 34 6V 5 9Ω 9 0 35 1V 5 1Ω 10 0 34 6V 4 1Ω 11 0 34 5V...

Страница 40: ...Z200 PV Analyzer User Manual 37 ...

Страница 41: ... modules in string 12 Instrument Name Z200 R2E000118004 Installed software version 3 6 1 Results Open circuit voltage 427 4 V Low frequency norm 10 2kΩ Low freq norm with load 4 6 kΩ Isolation Resistance RISO 1 1 MΩ Estimated position of RISO 4 2 Ground Fault Test Conclusion This function searches for the position of a potential ground fault The result is given as a position counting from the PV t...

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