High Accuracy, Customizable MULTIFUNCTION TESTING
Contents
1. O Parity JjJEvn J O Flow control JjNone s O U m O 3 D 2 O D MPP Tracking gt 99 5 Dynamic MPP tracking efficiency gt 98 0 IV Tracer IV tracing difference DC DC conversion Typ Efficiency Pout Pin of This performance test has been carried out at specific conditions please see the specific data book for details d O N User Manual ENG V1 5 doc 4 20 SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 Box and connections Front CO Internal Power Supply 1 t Internal Power Supply 2 Display 2x16 Gi LCD Back light optional Escape Scroll Enter e D The reset button of the main part DSP is placed on the left side of the box On the right side there is the reset button of the auxiliary part uController When accessing a reset button please use a non conductor stick User Manual ENG V1 5 doc 5 20 SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 Mounting the MPPT3000 The MPPT3000 is provided with integrated heat sink for power dispersion In order to get maximum power dispersion the box must be mounted in vertical position or with a maximum tilt of 30 from vertical position see also following schematics Moreover please allow 1 cm minimum gap from heat sink to mounting wall min 10mm r Mounting schematics The electrical operating temperature of the MPPT go2. Scuola Universitaria Professionale della Svizzera Italiana Dipartimento Ambiente Costruzioni e Design Istituto Sostenibilita Applicata Ambiente Costruito gx p m High Accuracy Customizable MULTIFUNCTION TESTING DEVICE FOR PHOTOVOLTAIC MODULES SUPSI DACD ISAAC Via Trevano CH 6952 Canobbio www isaac supsi ch SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 TABLE OF CONTENTS SIMON CESCEDUI OM Met knee on ae ear 3 PRU Ca ONS RE cies secs ces TTE TTD mm 3 Technical SDC CIC ANIONS Me 4 Pero Male Aa 4 Box and COnn CON Sialan anakan RR RI IR Ar 5 Front 5 Mounting the MPPT 3000 6 Top lateral T Bottom lateral 1 Wiring description 8 Chooscorfthne load 1esisior ass 12 How to chose a load resistor 12 Reachable MPP tracking efficiency vs output load resistor 12 R9405 MM oa 14 TUNING OMME MP3 OO E 15 T tning off CSU SOOO t S XXX X 15 lp me E 16 Important safety notice Warning In all cases the assembly and installation must be done by qualified technicians observing the national requirements and rules stipulated Opening the MPPT3000 or using it incorrectly will result in the immediate loss of the warranty unless for upgrades in agreement with manufacturer Warranty 1 year
3. don t restore i intoRAM mr M User Manual ENG V1 5 doc 18 20 SUPSI DACD ISAAC MPPT3000 User Manual Save Load NEERERARRESENSERSERSEREEESIEEREEEREEESENSENEEESEEESENEESEESEEESENEEESEREEEESENEEESEEEEEESENSERSEEEEESZERSEESERESEEEREERSEREEEREEREERESRSSENSSE 4 D P Pa t m NN OL LULU I int Fla b c e n r 0 1 flash memory to MPPT RAM TERRA Perro PEE A EEN A E E E E wo e Ang i0 HE ir i0 iz i iD ih Fils iD N i gt 5 PT 0 i iD C M itn D iO is Mm pD ec D Uri lt Sl al Be gt Pi ojo o Io a wow eo A Ul 0 A DI 5 eio 54 5 ojo 35 viov oon on r 1 o o olo olz OID ol 1A 0 3 SI c ye eo UU Dje lt r o o oJ Oo oj o DIT aojo amajo o on cH gio o Mn ojo m ojo Mn Dio mi Jis o SID CIN ajn cir eo N jl IM o 515 ojo Dje D on D UO lt 2 U Mi gt c z ke D Ojo o o Level UP Level UP don t load Level UP don t save Level UP don t load 23 05 2007 P eee dear oen H 1 Level DOWN Next Previous LO Level DOWN Next Previous L1 Enter Save Nothing Level DOWN Next Previous L1 Enter Load Nothing Level DOWN Next Previous L1 Enter Save Not
4. 2 M P P Ad A 0 Level UP Level DOWN Next Previous L1 S z t M P P A 7 i 0 1 i up3 SR ER ER RE V en BBC dontload i SPOT ai RM S EN ai Level UP Level DOWN i Next Previous L1 5 MO AR ae pis n Load into RAM Change state n X X X X X X X X Xf dontload an NN td E Body E ee aes Level UP Level DOWN Next Previous L1 ow E an pb Load into RAM Change state X X X X X X x X_X i to RDUM MIU MN n J A Level UP Level DOWN Next Previous L1 V m A d j T 0 1 esas al UP SECRET ERECT Tes E TI ana ni SAONA SO VIA VIVAIO i ABC onto i Se a d S EM 10 Level UP i Level DOWN i Next Previous L1 Set V m Ad j 01 Level UP omtiom i99 PORAM Change stato Vm Ad j E Win iai Level UP Level DOWN Next Previous L1 Set Vm Ad j 0 1 Level UP i i Gontlcad beadinto RAM Change state I V Tr State A 5 E Level UP Level DOWN Next Previous L1 S E n V T T 0 1 evel UP BE an Po acu oa S tate EOM O ee E A a V T r Points 14 Level UP AMT e i mi Automatic IV Tracer always has 256 pts bl nn e LL 2 15 i 0 IV Tracer seweep time V Tr 1 2 Level UP Data i 1 6 Level UP i R a t e X X m ii E E RR AAA C RB RE E RR B AAA E i KK KKM S S KE EN An ga E Logging Ra texx mi dontloag OSMO RAM Change state Autorange s Level UP Level DOWN Next Previous L1 Restore ev Level UP Level DOWN Next Previous L1 Default tu p etc in Press E r Level UP i Restore default LRI Nothin i to Rest Se tu pl
5. AV ee ee ee ere rn ee shield Yellow Sense PV module Voltage sense PV module cale Connection Diagram es Li Voltage sense connection Check the voltage and the polarity of the photovoltaic module voltage sense input The value of the voltage sense input should in any case NOT exceed 200 VDC Voc voltage This connection should be done properly observing the polarity any inappropriate voltage or polarity can damage the device User Manual ENG V1 5 doc 10 20 SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 Cable 7 LOAD Output i IMPORTANT THE LOAD MUST ALWAYS BE CONNECTED 1 Load resistor 2 shield Load resistor Load resistor a a ee E shield 9 Load resistor Load Connection Diagram n Load connection The load MUST always be connected Using the MPPT3000 without the load resistors leads to serious damages Cable 8 PV Module power Input 1 3 PV module 2 yellow green 4 PV module Shield PV module ERES SIE a SL E PV module Power d Pa T 1 a 3 12 2 4 O M fgg neg shield ua PV module Power Power connection PV module E Connection Diagram esce PV module power connections Check the voltage and the polarity of the photovoltaic module The voltage of the photovoltaic module should in any case NOT exceed the value of 200 VDC Voc voltage This connection sho
6. Limitation of liability ISAAC SUPSI cannot control the installation use and maintenance of the MPPT3000 Thus we are not responsible for damages costs or losses resulting from an installation which is not in accordance with the regulations or inappropriate use or maintenance The customer is always responsible for the use of the MPPT3000 and any other related additional device This device has not been designed nor warranted for use in any critical apparatus with potential risks of serious harm to people or to the environment ISAAC SUPSI reserves the right to modify their products without previous notice User Manual ENG V1 5 doc 2 20 SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 Short description The MPPT 3000 is a multifunction testing device for photovoltaic modules A photovoltaic module when connected to the MPPT 3000 is set to work in a MPP tracking mode The MPPT 3000 also allows a customized I V Tracer function It is possible to connect RTD temperature sensors pyranometers or other external sensors The interaction with the MPPT is possible directly using its LCD and buttons or through a simple graphical user interface The PV module energy is dissipated using an external resistor load with heat sink that must be always connected This device has been developed for specific PV module testing at the ISAAC SUPSI laboratory TISO group accurate MPP tracking maximum 0 5 error on Pypp tracking wi
7. RRERERERRERISESRSRESESRSEIXESRERIXERURRTE IX im Level UP Level DOWN Next Previous L1 17 20 SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 N Co Co ar D Di cio l 7 oo U Zic oc o0 NOD eo N r D lt 2 C U r D lt D O 2 Z Z D x d U D o o r eo Sl a 2 0 0 A ee manua Seung Lilia Ma B 0 0 Level UP Level DOWN Next Previous L1 SRI son PME UC this 234 copo Bk E a a na X X X X Xx V X X x X xX W i Change Quad OX LX UA X et Uh Eneoder Step Orange Duty Cycle B MPP FS A E Level UP Level DOWN Next Previous L1 S a t M P P F S 0 1 pes UB MEE naa Qao dd oa 1 ABC i Level UP Level DOWN Next Previous L1 S t M P F S m 0 1 UUU tev B 777777 ERE 7787 E d Type x x dontload LoadinoRAM in an NE M PP 0 3 j Level UP Level DOWN Next Previous L1 Ra te ji P inn Set M PP 0 1 Level UP Enter Chinese side Scan Ra s dontload LoadintoRAM il M PP FS 0 4 Level UP Level DOWN Next Previous L1 Sweep T X X X MC WEE iii i Set MPP FS Q0 1 Level UP Enter Endnoesidte Sweep T x x x s dontload Load intoRAM i i asl MPP FS 0 9 Level UP Level DOWN Next Previous L1 D e ad T gt A ok XX S HMM III GUN E UU Set MPP F S 01 Level UP Enter Change state Dead T X x xx S dontload Load intoRAM i ae
8. al voltage input on AUX IN 3 The next picture shows how to connect the RTDs and the general purpose voltage input typically a pyranometer lzxc S I 7 gt AUX OUT 3 PI RESTA amp DISPLAY O _ PT100 A gt AUX OUT 4 RARE amp DISPLAY 12 13 Max 1 VDC AUX IN 3 gt DISPLAY AUX IN 3 The minimum voltage input range is 0 10 mV the maximum voltage input range is 0 1V The input range selection is automatic just avoid to exceed 1 VDC The voltage must be always positive unipolar The MPPT itself provides the excitation current for the RTDs User Manual ENG V1 5 doc 9 20 SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 Cable 5 Power Supply Input 1 24VDC 2 GND Shield Internally not connected J MPPT3000 Lo 124VDC So aa Pc ee DN 1 1 21 2 AI TORE EA ee EN shield ua 4 GND ee ee 24VDC Power supply Connection Diagram lo n Power supply connection Check the voltage and the polarity of the power supply The voltage and the polarity of the power supply should coincide with that mentioned above This connection should be done very carefully observing the polarity any inappropriate voltage or polarity can damage the device Cable 6 Voltage Sense Input brown white Sense PV module green tyellow Sense PV module Shield Sense PV module MPPT3000 L white sense PV module ee a VY brown 92 green p AT
9. cy can go slightly below this limit However if the MPPT is used properly the declared MPP tracking efficiency is respected as it has been proved during the MPPT practical test User Manual ENG V1 5 doc 13 20 SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 RS485 network The MPPT3000 devices can be connected to a master PC through a RS485 network In this way it is possible to fully exploit the potential of the device using the specific user friendly management software The following scheme shows the correct wiring of the MPPT3000 to the RS485 network ILI E usp _uss Rs485 RS485 a MPPT 3000 NNN MPPT 3000 MPPT 3000 001 002 At the end of the RS485 line there must be a terminal resistor which can varies depending on the manufacturer of the USB RS485 adapter and on the cables length This terminal resistor must be wired between pin 1 DATA and pin 9 DATA of the DB9 connector po DataCarrierDeteet DATA 39 ZJ TD X Notconnected_ _ 4 DataTemminad Ready Notconnected 8 CleartoSend Notconnected 9 Ring Indicator DATA To dialog with one or more MPPTs use only the MPPT Manager software This software allows the user to manage one or more MPPTs easily Defined by the RS232 standard Selected for the MPPT3000 project User Manual ENG V1 5 doc 14 20 SUPSI DACD ISAAC MPPT3000 User Man
10. de voltage and current scalable ranges up to 200V 20A max 250W optoisolated analog auxiliary outputs in order to measure using an external measurement system the PV module working condition and the auxiliary sensors built in independent data logging internal data storage allowing the use of the MPPT as datalogger transportable compact wide operating ambient temperature range from 20 C to 40 C gqgalvanically isolated RS 485 interface dialog between PC master and one or more MPPTs l V Tracer use of the MPPT3000 as settable IV Tracer simultaneous Im and Vm measurement non isolated analog output optional run time selectable ranges automatic or manual possibility to measure thanks to a built in micro converter and independently from data loggers or external peripherals the main meteorological parameters T G by means of auxiliary sensors sensors are not included User friendly management software IP 20 case Applications This electrical equipment is extremely useful for anyone who needs to accurately test photovoltaic modules such school laboratories module manufacturers or module providers testing laboratories and so on Typical applications are SC Si mc Si a Si thin film accurate module testing l V characterization Energy production test and comparison at outdoor real conditions Meteorological measurements during module test Compar
11. es from 20 C to 70 C but the ambiance temperature must not exceed 40 C at maximum power 250 W User Manual ENG V1 5 doc 6 20 SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 Top lateral Bottom lateral PV module User Manual ENG V1 5 doc 7 20 SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 Wiring description 2 RS 485 line DB9 female 6 InputforPV voltage sense measurement 1 Output power part to the load resistor E 8 WARNING THE LOAD RESISTOR MUST ALWAYS BE CONNECTED TO THE MPPT3000 Using the MPPT3000 without the load resistors leads to serious damages Input for power connection PV module Connector 1 and 2 See chapter RS 485 line Connector 3 1 Output AUX1 0 10V represents O Ufull scale 2 Output AUX1 GND 3 Output AUX2 0 10V represents O Ifull scate 4 Output AUX2 GND 5 Output AUX3 0 10V represents O AUX Ch0 full scale 6 Output AUX3 GND 7 Output AUX4 0 10V represents O AUX Ch1 full scale 8 Output AUX4 GND 9 not connected All auxiliary outputs are short circuit protected by means of a 2 kQ series resistor Therefore to measure the output voltage value high impedance input instruments are required User Manual ENG V1 5 doc 8 20 SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 Connector 4 Auxiliary measurement part uC inputs Configuration _ RTD on AUX IN 1 AUX Ch0 _ RTD on AUX IN 2 AUX Ch1 gener
12. hich also provides an easy access to all the features of the MPPT3000 Nothing Next Previous LO o o C i3 iv ig iz io a i3 im ich ic D 0 ict io i2 RE Q x x lt Z D x ov gt o x x o o o x x 3 3 x xx xfx xix x x xln lt o ilm Power part duty cycle Next Nothing i Next Previous LO z D x lt z o 5 D Q z D x lana U D lt O c 67 eo 1 x x x xx xx xx x x xx xx xx x x xx xx xx x 2 Ax x 0 lt P gt lt P lt P lt P gt P lt ck dix xfx xx xx x ojx xx xx xfx x olx xx xx xfx x x xx xx xx x SIE ojo z m m c ojo olo 4 O Ulo ajx x a cjx x 33 S Si olx x KO v o lt x x o ol Dx x o ojx ojx x aal o 0 3 x x Zz i D i D i X i x E i E i Zi Z i o io oe 1 tm i Di J i 25 2 i Q i i Zi z i Di O i Xi x 1 eb i eb i Ui U ci i Di 0 SIS i O i O i Cic i M i OW Pom ire OjO v M User Manual ENG V1 5 doc 16 20 SUPSI DACD ISAAC on Holes i LE ios ASSOGiated channel 1 9 0 PV module MPP power STC 11 RI on Tm Auxiliary output O refers to this value 1 16 AAA 4 4 o befaulicurrentrange o o NN ERN NES Auxiliary out
13. hing Level DOWN Next Previous L1 Enter Load Nothing User Manual ENG V1 5 doc 19 20 SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 ISAAC SUPSI DACD CP 105 6952 Canobbio SWITZERLAND Tel 41 58 666 63 51 Fax 41 58 666 63 49 E mail isaac supsi ch Web www isaac supsi ch User Manual ENG V1 5 doc 20 20
14. ison of an existing PV plant behaviour with respect to a reference PV module under test using the MPPT3000 User Manual ENG V1 5 doc 3 20 SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 Technical specifications General S MPPT power supply 24VDC 8W HAOM Case protection grade P20 Photovoltaic module values Nmax 250W V 150 LIsemax A 5 10 20 dependsonthemodel sid Nm NIS Measurements Voltage measurement ranges V 200 100 50 25 20A Model 20 10 5 2 5 5A Model 5 2 5 1 25 0 625 IV Tracer Points number 128 256 512 1 0 to 3 0 IV tracing ad hoc available using the MPPT manager software MPP Tracker Tvpes Full I V curve search yP Fast MPP fine adjust Control 000000 Po Power and voltage Customizable MPP adjust and Vm adjust available Auxiliary opto isolated analog outputs 4 analog outputs Vm Im RTD 1 RTD 2 VDC from 0 to 10 proportional to the default represented input ranges Short circuit protected outputs High impedance load required Auxiliary analog measurement inputs lt P lt lt gt Auxiliary input 1 RTD only PT100 Auxiliary input 2 RTD only PT100 Auxiliary input 3 voltage 0 1V max autorange from 0 10mV to 0 1V Galvanically isolated RS 485 port Datalengh bit 8 4
15. put 1 refers to this value User Manual ENG V1 5 doc MPPT3000 User Manual 23 05 2007 LevelUP Level DOWN Next Previous LO Level UP Level DOWN Next Previous L1 Sp ee ME E dontloadin RAM i Tes stal Pam Level UP Nothing Next Previous L1 Level UP Nothing Next Previous L1 Level UP Nothing Next Previous L1 Level UP Nothing Next Previous L1 Level UP Nothing Next Previous L1 Level UP Nothing Next Previous L1 Level UP Nothing Next Previous L1 Level UP Nothing Next Previous L1 Level UP Nothing Next Previous L1 x Level UP Nothing Next Previous L1 AE Level UP Nothing Next Previous L1 STL E Level UP Nothing Next Previous L1 BTE UE Level UP Nothing Next Previous L1 PUR a Level UP Nothing Next Previous L1 X X X X Yo BANI III Bai i Level UP Level DOWN Next Previous L1 eV P 7700 pm dontloadin RAM i DE aan 1 Level UP Level DOWN Next Previous L1 1 Level UP C NE ee UV donload in RAM nahan sal range LA Level UP Level DOWN Next Previous L1 X X X dl ci ile M La Set Range 0 1 Level UP _ gont osd MRAM EM ee D wg 18 Level UP Nothing Next Previous L1 oe og Vo Level UP Nothing Next Previous L1 a TOR e d Level UP Nothing Next Previous L1 ANB E PUE T ca Level UP Nothing Next Previous L1 X X X X X IARRRRRRRRRRRRRRRRERRERRRIERERERERRERRRERRERERERRERERERRRRERCRRERRRERRERRRERRRRRRERRERERERRERERERRRRERERRERERERRERARESRRRETIRRERERESRRRERESRRERERE
16. r can vary between 18 and 47 Q The following charts show the MPP tracking efficiency limits vs output load resistor User Manual ENG V1 5 doc 12 20 SUPSI DACD ISAAC lin f Uin with maximum MPP tracking error percentage limits using 18 Q output resistor MPPT3000 User Manual 23 05 2007 q Inside the area limited by this lines the MPPT can reach the 99 5 of MPP tracking efficieny 0 5 error 1 10 100 1000 oV limit Uin V 15 0 5 ISIS 5 2 2 250W Limit lin f Uin with maximum MPP tracking error percentage limits using 47 Q output resistor 100 10 lt 1 Inside the area limited by this lines the MPPT can reach the 99 5 of MPP tracking efficieny 0 5 error _ 0 1 1 BV limit 10 100 1000 IMI Uin V b on N 2 2 250W Limit It can be seen that most of the working area is inside the by the black lines which describe the 99 5 efficiency limits Only in extreme conditions the efficien
17. the MPPT answer ni ein Now is safe to turn off the MPPT3000 Note After the shutdown command is sent the data logging is disabled To restore the normal function mode the MPPT must be restarted either switching off and re switching on the power supply or using the reset button The time necessary for starting software load to the processor and initialization may varies slightly but it is generally about 30 sec See previous remark User Manual ENG V1 5 doc 15 20 SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 Introduction about the MPPT Menu Three alphanumeric characters help the user to browse the menu The first character is used to define the level Level 0 no sign Level 1 single point Level 2 2 points The second and the third characters show the position number of the selected lower level Examples 1 2 0 0 2 2 2 0 0 2 2 2 1 0 1 3 0 0 0 3 This is an indicative representation not a full representation Level 0 is the higher level it represents the main groups Level 1 is the level used to browse and select the voices inside a main group Level 2 is the lower level when the user is in this level he can modify the chosen voice Only the voices that are available in level 2 can be modified directly through the MPPT Only the most important voices can be modified directly using the MPPT interface buttons and scroll The other voices are only accessible using the MPPT Manager software w
18. ual 23 05 2007 Turning on the MPPT3000 1 After wiring the device according to the manual specifications unplug the PV module from the MPPT3000 2 Verify that the full scale voltage Uiui scale and the full scale current li scale are Never exceeded Every time a PV module is replaced verify again that the settings for Ukur scale ANA lii scale are correct If these requirements are met go to 7 3 Turn the device on and wait until the default writing appears on the display 4 Setthe Ufunscate and ku scale in order that the PV module never exceeds the chosen values The set up can be done directly on MPPT3000 or on the graphical interface of the provided software 5 Save the settings for Ufuiscale and Irui scae Here again this can de done directly on the MPPT3000 or by the software Turn the MPPT3000 off Turn the device on and wait until the default writing appears on the display Verify that the settings for Usui scate and ltut scale have been loaded correctly Plug the PV module to the device 0 At this stage the MPPT is operating and can communicate with the master PC through the provided software performing the requested instructions Qe IT Turning off the MPPT3000 To switch the MPPT off is recommended to use the shutdown command this command disables the data logging and prepares the MPPT to be switched off Open the MPPT Manager software Select the Terminal Folder Press the Shutdown button Wait
19. uld be done very carefully observing the polarity any inappropriate voltage or polarity can damage the device User Manual ENG V1 5 doc 11 20 SUPSI DACD ISAAC MPPT3000 User Manual 23 05 2007 Choose of the load resistor How to chose a load resistor A load resistor must always be connected to the power output of the MPPT3000 Please chose a resistor value between 18 and 47 Q in order to not to exceed lout lioaa lt 3 5 A pc not to exceed Vout V load 108 V DC according to the power output to disperse Example Power of module 250 W Vmpp max 5V ex 17 V I mpp max lt 20A ex 14 7 A R load min 250 3 59 20 40 R load max 108 250 46 60 thus we choose for example 33 O 250 W or more powerfull gt check in the two charts below if the value of R load chosen is within required parameters Example of resistor to use HS series heatsink mount resistors Resistance range R005 to 100K Ohms To 600W Tolerance from 0 596 High power to volume ratio All welded construction Available in Non Inductive Style Type N High pulse withstand capability Connection variation available gt REMEMBER TO MOUNT LOAD RESISTORS ON A SUITABLE HEAT SINK Reachable MPP tracking efficiency vs output load resistor The maximum power point tracking efficiency depends also on the chosen output load resistor As mentioned in the previous sub chapter the value of this resisto
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