Sungrow SG250HX User Manual Download Page 76

Page: 76 / 109

Fiig

urre

e 7

7--9

9 Detailed fault alarm info

7.7.2 Power Yields Records

User can view various energy records: power curve, daily energy histogram, monthly

energy histogram, and annual energy histogram.

Table 7-5

Explanation of power yields records

arra

ette

err

essc

crriip

pttiio

Power curve

Show the power output from 5 am to 11 pm in a single day.

Each point in the curve is the percentage of present power and

nominal power.

Daily energy

histogram

Shows the power output every day in the present month.

Monthly energy

histogram

Shows the power output every month in a year.

Annual energy

histogram

Shows the power output every year.

Click the “

” to view the power curve page as shown in following figure.

7 iSolarCloud App

User Manual

Summary of Contents for SG250HX

Page 1: ...ed d I In nv ve er rt te er rU Us se er r M Ma an nu ua allS SG G2 25 50 0H HX X U UE EN N V Ve er r2 21 1 2 20 02 21 10 02 2 SG250HX UEN Ver21 202102 SG250HX P PV V G Gr riid d C Co on nn ne ec ct t...

Page 2: ......

Page 3: ...s S So of ft tw wa ar re e L Liic ce en ns se es s It is prohibited to use data contained in firmware or software developed by SUNGROW in part or in full for commercial purposes by any means It is pro...

Page 4: ...Read the manual and other related documents before performing any work on the inverter is carried out Documents must be stored carefully and be available at all times The contents of the manual will b...

Page 5: ...a an na at tiio on n Indicates a situation that if not avoided could result in equipment or property damage Indicates additional information emphasized contents or tips that may be helpful e g to help...

Page 6: ......

Page 7: ...ator Panel 7 2 2 5 DC Switch 7 2 3 Circuit Diagram 8 2 4 Function Description 8 3 Unpacking and Storage 10 3 1 Unpacking and Inspection 10 3 2 Identifying the Inverter 10 3 3 Scope of Delivery 12 3 4...

Page 8: ...5 5 Opening the Wiring Compartment 30 5 6 AC Cable Connection 31 5 6 1 AC Side Requirements 31 5 6 2 Requirements for OT DT Terminal 33 5 6 3 Aluminium Cable Requirements 34 5 6 4 Connection Procedur...

Page 9: ...7 7 2 Power Yields Records 66 7 7 3 Event Records 67 7 8 More 67 7 8 1 Parameter Setting 68 7 8 2 Firmware Update 75 7 8 3 Password Changing 75 8 System Decommissioning 77 8 1 Disconnecting the Invert...

Page 10: ......

Page 11: ...cover all the precautions that should be followed Perform operations considering actual onsite conditions SUNGROW shall not be held liable for any damage caused by violation of the safety instruction...

Page 12: ...minate the operating license Risk of inverter damage or personal injury Do not pull out the PV connectors when the inverter is running Wait at least 5 minutes for the internal capacitors to discharge...

Page 13: ...ltages Only qualified personnel can open and service the inverter Disconnect the inverter from all the external power sources before service Do not touch live parts until 5 minutes after disconnection...

Page 14: ...ure 2 1 Inverter application in PV power system F Fiig gu ur re e 2 2 1 1 Inverter application in PV power system Inverter cannot connect the PV strings whose positive and negative terminals need to b...

Page 15: ...tion is as follows M Mo od de ell N No om miin na all O Ou ut tp pu ut t P Po ow we er r N No om miin na all G Gr riid d V Vo ollt ta ag ge e SG250HX 250 kVA 30 225 kVA 40 200 KVA 50 3 PE 800 V The de...

Page 16: ...4 Bottom handles 2 used to move the inverter 5 Side handles 2 used to move the inverter 6 Mounting ears 4 used to hang the inverter onto the mounting bracket 7 Wiring area DC switches AC terminals DC...

Page 17: ...No system fault occurs Slow flash Period 2s The device is in standby or startup state not feeding power into the grid Red ON A fault occurs and the device cannot connect to the grid Twinkling The Blue...

Page 18: ...provides various settable parameters Users can set parameters via the App to meet the requirements and optimize the performance C Co om mm mu un niic ca at tiio on n iin nt te er rf fa ac ce e The in...

Page 19: ...e rises the potential between the negative pole of the PV array and the ground to a positive value to suppress the PID effect Make sure the inverter is applied to an IT system before enabling the anti...

Page 20: ...cking list Contact SUNGROW or the supplier in case there is any damage or incompleteness Do not dispose of the original packing case It is recommended to store the inverter in it 3 2 Identifying the I...

Page 21: ...conformity 4 Company name website and country of manufacture Table 3 1 Description of Icons on the Nameplate I Ic co on n D De es sc cr riip pt tiio on n Do not dispose of the inverter together with...

Page 22: ...wo M4 10 two M6 65 and two M6 12 hex socket screws c The two OT terminals are used for wiring power cable of the tracking system where the wiring range is 4 6mm2 d The documents include the quick inst...

Page 23: ...t be always between 0 and 95 non condensing In case of stacking storage the number of stacking layers should never exceed the limit marked on the outer side of the packing case The packing case should...

Page 24: ...rious wounds or bruise System performance loss due to poor ventilation Keep the heat sinks uncovered to ensure heat dissipation performance 4 2 Location Requirements Select an optimal mounting locatio...

Page 25: ...ntilated Ensure air circulation The inverter is installed more than 30m away from third party wireless communication facilities and living environment 4 2 2 Carrier Requirements The installation carri...

Page 26: ...bracket or wall before maintaining fans In case of multiple inverters reserve specific clearance between the inverters In case of back to back installation reserve specific clearance between the two...

Page 27: ...the following recommended ones If necessary use other auxiliary tools on site Table 4 1 Tool specification N No o S Sp pe ec ciif fiic ca at tiio on n T Ty yp pe e a M2 M6 b M4 M6 M8 c Drill bit 12 14...

Page 28: ...ars and base of the inverter Step 2 Lift and move the inverter to the destination by using the side and bottom handles as well as the four installed handles Step 3 Remove the screw in handles and reas...

Page 29: ...when the inverter is 100mm above the ground Continue hoisting the device to the destination after ensuring the safety Step 4 Remove the lifting rings and reassemble the sealing screws released in Ste...

Page 30: ...on n Phillips screwdriver electric screw driver M4 M6 Marker Level Hammer drill Drill bit 12 Socket wrench Including 16mm socket wrench Opening 16mm S Sp pa ar re e p pa ar rt ts s I It te em m Q Qu u...

Page 31: ...o on n A Mounting bracket B Full threaded bolt M10 45 C Metal bracket D Flat washer E Spring washer F Hex nuts M10 Step 4 Take out the inverter from the packing case Step 5 Hoist the inverter to the i...

Page 32: ...driver M4 M6 Marker Level Hammer drill Drill bit Select according to expansion bolt specifications Socket wrench Including 16mm socket Wrench Opening 16mm S Sp pa ar re e p pa ar rt ts s I It te em m...

Page 33: ...mark the positions for drilling holes on the installation site Step 3 Insert the expansion bolts into the holes and secure them with a rubber hammer Fasten the nut with a wrench to expand the bolt Rem...

Page 34: ...Take out the inverter from the packing case Step 6 Hoist the inverter to the installation position when necessary refer to 4 4 2 Hoisting Transport If the installation position is not high enough skip...

Page 35: ...tion Ensure that all cables are voltage free before performing cable connection Any improper operations during cable connection can cause device damage or personal injury Only qualified personnel can...

Page 36: ...munication digital input output DI DO and power supply of tracking system COM2 COM3 COM4 COM5 Reserved C AC wiring terminal AC Used for AC output cable connection D Standby grounding terminal Used for...

Page 37: ...a ab blle e T Ty yp pe e S Sp pe ec ciif fiic ca at tiio on n C Ca ab blle e D Diia am me et te er r m mm m C Cr ro os ss s s se ec ct tiio on na all a ar re ea a m mm m2 2 1 DC cable PV cable complyi...

Page 38: ...ble Shielded twisted pair 4 5 18 1 1 5 A copper to aluminum adapter terminal is required when an aluminum cable is used For details refer to 5 6 3 Aluminium Cable Requirements If case of four single c...

Page 39: ...nor the positive pole of the PV string can be grounded Otherwise the inverter will not operate normally It is recommended that connect the additional grounding terminal and the PE terminal of the AC...

Page 40: ...En nd d The grounding screws have been anchored to the side of the inverter before delivery and do not need to be prepared There are two grounding terminals Use at least one of them to ground the inve...

Page 41: ...e Requirements Before connecting the inverter to the grid ensure the grid voltage and frequency comply with requirements for which refer to 10 1 Technical Data Otherwise contact the electric power com...

Page 42: ...oltage of inverter When the transformer is connected to to the IT grid to ground withstanding voltage of the LV winding of the transformer the AC cables and the secondary equipment including the relay...

Page 43: ...the transformer are recommended to be connected in the 3 1 manner as shown in the figure below The Min continuous operating voltages of M1 M4 are 690VAC The LV side winding of the transformer AC cable...

Page 44: ...e will cause electrochemical corrosion and impair the reliability of electrical connection 5 6 4 Connection Procedure In this manual description is given by using five core cable as an example The wir...

Page 45: ...and insulation layer by specific length as described in the figure below Step 6 If wiring of tracking system power cable is required refer to 5 8 Wiring of Tracking System Power Cable Optional Otherwi...

Page 46: ...o corresponding terminals Ensure that the depth L of the socket used is not less than 28mm Step 9 Gently pull the cable backwards to ensure firm connection and fasten the swivel nut clockwise 5 Electr...

Page 47: ...dby grounding terminal Step 10Install the protection cover E En nd d 5 7 DC Cable Connection Electric shock The PV array will generate lethal high voltage once exposed to sunlight Make sure the PV arr...

Page 48: ...DC side is within the permissible range 5 7 1 PV Input Configuration As shown in the figure below the inverter is provided with multiple PV inputs PV inputs 1 12 and each PV input is designed with an...

Page 49: ...are for Reference Only Y Y T Te er rm miin na all a an nd d I In nlliin ne e F Fu us se e A Ap pp plliic ca at tiio on ns s C Ca as se e 1 1 When the Y terminal is connected at the module side a speci...

Page 50: ...se which is very prone to failure The Y branch connector can be connected at the module side or the inverter side Sungrow provides Y branch connector of Bizlink whose terminal is MC4 Evo2 When it is c...

Page 51: ...ended The model is PV KBT4 EVO 2 6II UR St ubli When the DC Cable cross sectional area is 10mm2 the recommended model of the female cable connector is PV KBT4 EVO 2 10II UR St ubli and the recommended...

Page 52: ...any PV polarity is reversed E En nd d 5 7 4 Installing the PV Connectors Step 1 Rotate all the DC switches to OFF position Skip performing step1 when the actual device is not equipped with DC switches...

Page 53: ...ay occur if the PV connectors are not firmly in place and SUNGROW shall not be held liable for any damage caused Step 4 Follow the foregoing steps to connect PV connectors of other PV strings Step 5 S...

Page 54: ...ep 2 Loosen the swivel nut of the communication terminal and select an appropriate seal according to cable outer diameter Lead the cable through the swivel nut and seal successively O Ou ut te er r d...

Page 55: ...er by specific length as described in the figure below Step 5 Install the OT terminal and press it tight Step 6 Stack the OT terminals on the OT DT terminal of the AC cables and fix the cables to corr...

Page 56: ...on the OT DT terminals of the AC cable Otherwise it will cause over heat or even burn Step 7 Gently pull the cable backwards to ensure firm connection and fasten the swivel nut clockwise Step 8 Insta...

Page 57: ...trol cabinet Length of the cable connecting the internal wiring terminal of the inverter and the fuse should be less than 2 5m 5 9 RS485 Communication 5 9 1 Interface Description The following figure...

Page 58: ...UT RS485B differential signal Table 5 5 RS485_2 port terminal definition N No o D De ef fiin niit tiio on n B2 RS485 B OUT RS485B differential signal A2 RS485 A OUT RS485A differential signal B2 RS485...

Page 59: ...nner The communication cable of the tracking system can be connected to the port RS485_2 of any inverter in the daisy chain When more than 15 inverters are connected on the same daisy chain configure...

Page 60: ...ocedure Terminal Block RS485 communication cables should be shielded twisted pair cables or shielded twisted pair Ethernet cables There are four RS485 communication terminals COM1 COM2 COM3and COM4 on...

Page 61: ...4 Insert the terminal base into the corresponding terminal Step 5 Pull the cable gently to make sure it is secured tighten the swivel nut clockwise E En nd d 5 10 PLC Communication Connection With a P...

Page 62: ...Connection Dry contact cables require a cross section of 1 mm2 to 1 5 mm2 The connection procedure of the dry contact is the same as that of the RS485 terminal block 5 11 1 Dry Contact Function The co...

Page 63: ...re em me en nt ts s D DC C S Siid de e R Re eq qu uiir re em me en nt ts s Max voltage 250Vac Max current 5A Max voltage 30Vdc Max current 5A D DI I t te er rm miin na all e em me er rg ge en nc cy y...

Page 64: ...efer to the wiring of terminal block described in chapter 5 9 3 Connection Procedure Terminal Block 5 12 Closing the Wiring Compartment Step 1 Release the limit lever Step 2 Close the wiring compartme...

Page 65: ...55 E En nd d User Manual 5 Electrical Connection...

Page 66: ...inverter are properly sealed Warning signs labels are suitably affixed and durable 6 2 Commissioning Procedure If all of the items mentioned above meet the requirements proceed as follows to start up...

Page 67: ...rter This manual describes only how to achieve near end maintenance via the Bluetooth connection For remote maintenance through the Eye or WiFi refer to the related manuals in the delivery scope Scree...

Page 68: ...structions in between The Bluetooth function of the mobile phone is enabled 7 4 2 Login Steps Step 1 Open the App to enter the login page click on Local Access at the bottom of the page to go to the n...

Page 69: ...ecurity To set inverter parameters related to grid protection and grid support contact SUNGROW to obtain the advanced account and corresponding password Step 4 If the inverter is not initialized you w...

Page 70: ...k whose grid code complies with EN50549 select the parameter EN50549_1 LV grid connection or EN50549_2 MV grid connection In the Brazilian region set the country code to Brazil Selecting Brazil_230 or...

Page 71: ...PID function state 4 Power flow chart Display the PV power generation power feed in power etc The line with an arrow indicates energy flow between connected devices and the arrow pointing indicates en...

Page 72: ...g running The inverter runs according to the scheduling instructions received from the monitoring background Fault If a fault occurs inverter will automatically stop operation and disconnect the AC re...

Page 73: ...es sc cr riip pt tiio on n PV Information String n Voltage The input voltage of the nth string String n current The input current of the nth string Inverter Information Total On grid Running Time Dail...

Page 74: ...ly Yield Monthly Yield Annual Yield Total Active Power Current active power value of the inverter Total Reactive Power Current reactive power value of the inverter Total Apparent Power Current apparen...

Page 75: ...view fault and alarm records as shown in the following figure F Fiig gu ur re e 7 7 8 8 Fault and alarm records Click to select a time segment and view corresponding records The inverter can record u...

Page 76: ...D De es sc cr riip pt tiio on n Power curve Show the power output from 5 am to 11 pm in a single day Each point in the curve is the percentage of present power and nominal power Daily energy histogram...

Page 77: ...ve Swipe left to check the power yields histogram 7 7 3 Event Records Click to view event record list Click to select a time segment and view corresponding event records The inverter can at most recor...

Page 78: ...s System Parameters Tap to enter the system parameter screen on which boot shutdown instruction can be sent to the inverter set the date and time and information such as ARM sorftware version and MDSP...

Page 79: ...shown in the following Figure F Fiig gu ur re e 7 7 1 15 5 Running Time PID Parameters Tap to enter PID Parameters screen on which PID recovery function can be enabled or disabled and PID alarm and PI...

Page 80: ...ing Figure F Fiig gu ur re e 7 7 1 18 8 Power Regulation Parameters Table 7 6 Active power regulation P Pa ar ra am me et te er r D De ef fiin niit tiio on n S Se et tt tiin ng g d de es sc cr riip pt...

Page 81: ...determine whether the inverter is in stop state when the limited power reaches 0 Enable Disable Table 7 7 Reactive power regulation P Pa ar ra am me et te er r D De ef fiin niit tiio on n S Se et tt...

Page 82: ...Active Overload Rate 1000 QP_EnterVoltage 100 0 110 0 QP_ExitVoltage 90 0 100 0 QP_EXitPower 1 0 20 0 QP_EnableMode Yes No Q U Curve Selection of Q U curve Curve A Curve B Curve C QU_V1 Pre set grid v...

Page 83: ...rid voltage U4 that is reactive according to the grid voltage 100 0 120 0 QU_Q4 Pre set proportion of reactive power according to the grid voltage U4 0 60 0 Overload Rate 1000 QU_EnterPower Pre set ac...

Page 84: ...nication Parameters screen on which the user can set the deivice address of inverter as shown in the following Figure F Fiig gu ur re e 7 7 2 21 1 Communication Parameters Inappropriate parameter sett...

Page 85: ...a data cable find the folder iSolarCloud application via iTunes iMazing or iTools and copy the update package to the folder Document update U Up pg gr ra ad de e Tap to enter the firmware upgrade scre...

Page 86: ...76 F Fiig gu ur re e 7 7 2 23 3 Change password The password shall consisit of 8 20 digits including letters and numbers 7 iSolarCloud App User Manual...

Page 87: ...force to remove the DC connector Step 6 Ensure that the AC wiring terminals are voltage free via a multimeter and remove the AC wires and communication wires Step 7 Install the PV terminal waterproof...

Page 88: ...ter Some parts and devices of the inverter such as the capacitors may cause environmental pollution Do not dispose of the product together with household waste but in accordance with the disposal regu...

Page 89: ...al If the fault occurs repeatedly 1 Measure the actual grid voltage and contact the local electric power company for solutions if the grid voltage is higher than the set value 2 Check whether the prot...

Page 90: ...ntact SUNGROW 005 Grid low voltage The grid voltage is lower than the set protection value Generally the inverter will be reconnected to the grid after the grid returns to normal If the fault occurs r...

Page 91: ...is lower than the lower limit of the inverter 010 Grid power outage AC switch or circuit is disconnected Generally the inverter will be reconnected to the grid after the grid returns to normal If the...

Page 92: ...for solutions if the grid parameter exceeds the set value 2 If the fault is not caused by the foregoing reasons and still exists contact SUNGROW 014 10 minute grid overvoltage the grid voltage exceed...

Page 93: ...ge of the local power company modify the grid voltage imbalance parameter through the App or LCD screen 3 If the fault is not caused by the foregoing reasons and still exists contact SUNGROW 019 020 D...

Page 94: ...s 038 Device anomaly Wait for the inverter to return to normal Disconnect the AC and DC switches and reconnect the AC and DC switches 15 minutes later to restart the inverter If the fault still exists...

Page 95: ...fault still exists contact SUNGROW 047 PV input configuration abnormal PV input mode error Stop and disconnect the inverter Reset the input mode of the PV array 048 050 053 056 059 060 Device anomaly...

Page 96: ...so remove the corresponding abnormity 2 If the fault is not caused by the foregoing reasons and still exists contact SUNGROW 088 Electric arc fault 1 Disconnect the DC inputs and check whether DC cabl...

Page 97: ...fault still exists contact SUNGROW 220 227 PVx abnormal 1 Check if the xth PV string needs to be connected If not ignore the alarm and If so check the connection status and make sure it is connected r...

Page 98: ...oing reasons and still exists contact SUNGROW The code 548 to code 563 are corresponding to string 1 to string 16 respectively 564 571 String x reverse connection alarm 1 Check whether the correspondi...

Page 99: ...Verify that there is no voltage or current before pulling any connector Keep non related persons away A temporary warning sign or barrier must be posted to keep non related persons away while performi...

Page 100: ...le entry is insufficiently sealed or the gap is excessively large and reseal the entry when necessary Once a year Electrical Connection Check whether all cable are firmly in place Check whether a cabl...

Page 101: ...during operation If the fans do not operate normally the inverter may not be cooled down and inverter efficiency may decrease Therefore it is necessary to clean the dirty fans and replace the broken...

Page 102: ...cuum cleaner and replace them when necessary Step 5 Follow the steps above to remove the fan on the other side of the inverter Step 6 Reinstall the fan back to the inverter in reverse order and restar...

Page 103: ...Max PV input current 30 A 12 Max current for input connector 30A Max DC Short circuit current 50 A 12 Max inverter backfeed current to the array 0A O Ou ut tp pu ut t A AC C AC output power 250 kVA 3...

Page 104: ...DC Type II AC Type II G Ge en ne er ra all D Da at ta a Dimensions W H D 1051 660 363 mm Weight 99kg Isolation method Transformerless Degree of protection IP66 Night power consumption 2 W Operating a...

Page 105: ...respondence between number of inverters and maximum wiring distance N Nu um mb be er r o of f iin nv ve er rt te er r M Ma ax xiim mu um m w wiir riin ng g d diis st ta an nc ce e u un niit t m m 1 16...

Page 106: ...on the product shall be undamaged and legible Otherwise SUNGROW has the right to refuse to honor the quality guarantee C Co on nd diit tiio on ns s After replacement unqualified products shall be pro...

Page 107: ...r com A Au us st tr ra alliia a Sungrow Australia Group Pty Ltd Sydney 61 2 9922 1522 service sungrowpower com au B Br ra az ziill Sungrow Do Brasil Sao Paulo 55 11 2366 1957 latam service sa sungrowp...

Page 108: ...05 22 04 service sungrow emea com R Ro om ma an niia a Service Partner Elerex 40 241762250 service sungrow emea com T Tu ur rk ke ey y Sungrow Deutschland GmbH Turkey Istanbul 90 216 663 61 80 service...

Page 109: ...Technology Industrial Development Zone 230088 Hefei P R China Tel 86 551 6532 7834 6532 7845 Web www sungrowpower com E mail info sungrow cn Sungrow Power Supply Co Ltd Specifications are subject to c...

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