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SG3425UD-MV/SG3600UD-MV

Turnkey StationSystem

ManualSG3425UD_3600UD-MV-

SEN-Ver19-202208M-H-002011

System Manual

MV Turnkey Station

SG3425UD-MV/SG3600UD-MV

SG3425UD_3600UD-MV-SEN-Ver19-202208

Содержание SG3425UD-MV

Страница 1: ...SG3425UD MV SG3600UD MV MV Turnkey StationSystem ManualSG3425UD_3600UD MV SEN Ver19 202208M H 002011 System Manual MV Turnkey Station SG3425UD MV SG3600UD MV SG3425UD_3600UD MV SEN Ver19 202208...

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Страница 3: ...Protection 6 2 2 5 Live Line Measurement 6 2 2 6 Measuring Instrument 6 2 2 7 Volt free Operations 7 2 2 8 ESD Protection 7 2 2 9 LCD Parameter Setting 7 2 2 10 Sand and Moisture Protection 7 2 2 11...

Страница 4: ...ation 23 5 3 1 Selection of Installation Site 23 5 3 2 Foundation Requirements 23 5 3 3 Recommended Foundation Construction Method 24 5 4 Installing the Drain Valve Oil Water Separator 24 5 4 1 Instal...

Страница 5: ...ing 47 7 1 Safety Instructions 47 7 2 Requirements of Commissioning 47 7 3 Checking before Commissioning 48 7 3 1 Checking the Cable Connection 48 7 3 2 Checking the Inverter 48 7 3 3 Checking PV Arra...

Страница 6: ...ory Alarm 62 9 10 Checking Present Fault Information 62 9 11 Starting Stopping 63 9 12 Load Default 63 9 13 Checking Firmware Version 63 9 14 Parameters of LCD 64 9 14 1 Communication Parameters 64 9...

Страница 7: ...e Protection 77 10 14 3 Frequency Anomaly Protection 77 10 14 4 Islanding Protection 77 10 14 5 Overload Protection 78 10 14 6 Ground Protection 78 10 14 7 Module Over temperature Protection 78 10 14...

Страница 8: ...01 12 5 Painting Make up Measures 101 12 6 Replacement of the Electrical Components 104 12 6 1 Safety Instructions 104 12 6 2 Replace DC Fuses 104 13 Cyber Security Protocol 107 13 1 Password Change R...

Страница 9: ...commissioning process when the MV Station is powered on for the first time Start Stop Steps to start and stop the MV Station internal devices during normal maintenance or troubleshooting Operation of...

Страница 10: ...ion This manual contains important safety and operational instructions that must be accurately understood and respected during the installation and maintenance of the equipment To ensure the optimum u...

Страница 11: ...before transporting and installing the device Documents must be stored at hand and available at all times All rights reserved including the pictures markings and symbols used Any reproduction or disc...

Страница 12: ...ion No Name A PV array B PV array combiner box C MV Station D Utility grid Installation of the MV Station not in compliance with the description in this manual or installation or modification of the d...

Страница 13: ...is safe to do so All installations and operations on the MV Station must be in full accordance to the national and local regulations and standards 2 2 2 Manual Storage Product manuals are indispensabl...

Страница 14: ...ke sure there is no system ground fault before operation and take proper protection measures 2 2 5 Live Line Measurement High voltages are present inside the device Death resulting from burning and el...

Страница 15: ...he PCB Observe all the ESD related safety instructions Wear proper PPE such as safety glasses safety footwear and safety gloves 2 2 9 LCD Parameter Setting Some settable parameters on the LCD are clos...

Страница 16: ...t two persons are required until the operation is performed Proper field rescue facilities are required since most PV stations are installed in places far away from the urban areas Take the followings...

Страница 17: ...device for future reference during installation operation maintenance and troubleshooting of the device All the descriptions in this manual are based on the standard MV Station and the actual product...

Страница 18: ...e MV Station converts DC current generated from the PV array into grid compatible AC current which can be directly fed into the medium voltage grid 3 2 External Design of the MV Station 3 2 1 MV Stati...

Страница 19: ...d has not been removed The indicator will be off when the fault is cleared Buttons The functions of each button are shown in the table below Button Description DC Turn this knob switch to disconnect c...

Страница 20: ...ould be sufficient for the doors to be opened 3 2 3 Ventilation Design The ventilation system is designed as the cool air comes inside from the top of the inverter and hot air gets outside from the bo...

Страница 21: ...2 Cable Entry Design For easier onsite cable connection all cables between the internal devices have been connected before delivery All cables between the MV Station and the external are routed throug...

Страница 22: ...cabinet the module cabinet the AC cabinet The DC cabinet the AC cabinet are all equipped with wiring terminals and operation switches DC Cabinet figure 3 2 DC cabinet The figure above is indicative on...

Страница 23: ...storage handle When the circuit breaker has no energy manually store energy through this button B Circuit breaker state indicator Display the present state of the circuit breaker OPEN or CLOSED C Pus...

Страница 24: ...n Press the Push ON button on the panel to switch on Before switching on check if the energy storage state displayed on the panel is CHARGED SPRING If the state is DISCHARGED SPRING store the energy m...

Страница 25: ...D Bolt M12 55 E Spring washer M12 F Flat washer M12 G Nut M12 The foregoing components are based on the standard MV Station and those of the actual product may differ Specifically refer to the enclos...

Страница 26: ...ation is intact without any damage all devices inside the MV Station are intact without any damages 4 4 Storage of the MV Station If it is not to be installed immediately after delivery store the MV S...

Страница 27: ...ed beforehand The transport of the MV Station must be performed by qualified personnel Qualified personnel are those who have been trained especially in safety operation Keep in mind the dimensions an...

Страница 28: ...ions Carefully observe the following items All safety requirements must be met A professional instructor is needed in the whole hoisting process All the slings used must have the load bearing capacity...

Страница 29: ...if all the connections are still firm After confirmation continue hoisting the MV Station When transported to the final location the MV Station should be put down slowly and steadily The final locati...

Страница 30: ...y to the MV Station Lifting device Hook U hook Connections Notice Insert the hook from inside to outside Lateral pin of the U hook should be tightened National and local safety rules should be observe...

Страница 31: ...enance of the MV Station Therefore the foundation must be designed and constructed according to related standard The dimensions weight of the MV Station the cable route and later maintenance should be...

Страница 32: ...ation to the desired location and welded After completion anti corrosion treatment should be done on the welding position 5 4 Installing the Drain Valve Oil Water Separator There are two design scheme...

Страница 33: ...n Methods step 1 Screw the connector into the mounting hole at the bottom of the MV Station step 2 Install the drain valve on the connector step 3 Optional operation Connect the oil pipe to the drain...

Страница 34: ...If the foundation is not constructed as the above plan it is necessary to fix the fixing point at the bottom of the inverter shown as A below with the existing operating platform using L mounting par...

Страница 35: ...27 System Manual 5 Mechanical Installation...

Страница 36: ...tage free may carry lethal voltage Accidental touch may cause serious damage Make sure there is no system ground fault before operation and take proper protective measures Observe all the country spec...

Страница 37: ...orm the electrical connection Professional electricians should meet the related requirements listed in 2 Safety Instructions in this manual Sungrow shall not be held liable for any personal injury or...

Страница 38: ...t instrument Ground and short circuit whenever necessary Cover possible live parts to avoid accidental contact 6 2 Preparation before Electrical Connections Electrical connections between devices insi...

Страница 39: ...n the door lock 2 Insert the key 3 Turn the handle counterclockwise to unlock the door Opening the Door Lock Open the doors before cable connection Fixing the Enclosure When the cabinet door is opened...

Страница 40: ...e DC cables are correctly routed before connection Do not pull the cables hard during connection Make sure there is enough wire bending space for all connection cables Take proper methods to reduce th...

Страница 41: ...bles is strictly forbidden 6 4 Ground Connection Brief Introduction Observe the country specific regulations and standards at all times Generally the ground connection can be divided into two parts eq...

Страница 42: ...unding cable to the external grounding points with M10 bolts where the recommended cable is of 50 mm2 to 95 mm2 Weld the grounding steel flat onto the external grounding point after which anti corrosi...

Страница 43: ...only after receiving approval from the distribution utility as required by national and state interconnection regulations Strictly follow all the instructions when connecting 6 5 2 AC Cable Connectio...

Страница 44: ...inside through the same cable entry step 3 Prepare the terminals and install them tightly where reference can be made to the installation manual of the cable connector Both cooper core cable and alumi...

Страница 45: ...liably connect the cable connector to the grounding copper bar inside the high voltage room according to local standards and regulations where the fastening torque is 60 70N m A B C D E F Copper bus C...

Страница 46: ...oltage is less than the max DC voltage of the inverter Mark the negative and positive polarity of the cable Check the PV modules for possible ground fault Open circuit voltage of the PV array should n...

Страница 47: ...figure 6 2 DC input n 24 figure 6 3 DC connection area with energy storage system ports No Description DC DC positive cable connection area DC DC negative cable connection area ESS Energy storage syst...

Страница 48: ...OFF position step 2 Lead the cable into the wiring area through the inlet hole and mark the cable polarity step 3 Strip the protective layer of the cable to expose the copper core of the wire with st...

Страница 49: ...hen the aluminum wire is selected a copper aluminum adapter terminal is needed as shown below No Name No Name A Copper bus D Disc spring washer B Copper aluminum adapter terminal E Flat washer C Bolt...

Страница 50: ...unication terminals are located in lower part of the intelligent PMD as shown in the figure below No Description A XB21 terminal blocks RS485 communication port B Ethernet port On site perform cable c...

Страница 51: ...F4 Reserved for 120Vac power supply QF5 Reserved for 120Vac power supply QF6 Reserved for 120Vac power supply QF7 Reserved for 120Vac power supply QF8 Control switch for power socket QF9 Reserved for...

Страница 52: ...QS9 Control switch for auxiliary transformer QF3 Control switch for 120Vac power switch QF4 Reserved for 120Vac power supply QF5 Reserved for 120Vac power supply QF6 Reserved for 120Vac power supply...

Страница 53: ...7 Reserved for 480Vac power supply QF18 Reserved for 480Vac power supply QF19 Reserved for 480Vac power supply AC277V N AV power 277Vac N Terminals Wiring Diagram The wiring diagram of external power...

Страница 54: ...e reversed procedure in opening the cable entries The gap at the cable inlet outlet at the bottom of the MV Station should be sealed with fireproof mud Water proof treatment should be performed on the...

Страница 55: ...eceiving approval from the local utility grid company and by qualified personnel After the MV Station is operating make sure there are no flammable materials at least 5 meters around the installation...

Страница 56: ...vironmental conditions are stable to ensure the successful commissioning 7 3 Checking before Commissioning 7 3 1 Checking the Cable Connection Check cables for any possible damages or cracks Check tha...

Страница 57: ...n the device when the PV array output situation is stable The PV field circuit fault module fault or module numbers deviation in certain array cable damages or connection looseness may cause the volta...

Страница 58: ...all the start up procedures have been performed check the operating condition of the MV Station Check whether there are anomalies of the module abnormal noise overheating smoking or unusual odor Check...

Страница 59: ...y operation Open the cabinet door only for maintenance or troubleshooting and by qualified personnel only Keep the door closed and locked and store the keys of the door by appointed personnel during n...

Страница 60: ...r longtime storage a thorough and professional test is necessary before starting the MV Station 8 1 2 Start Steps When the abovementioned conditions are fulfilled proceed as follows to start the MV St...

Страница 61: ...curs 8 2 1 Normal Stop Proceed as follows to stop the MV Station during normal maintenance and service work as follows step 1 Stop the MV Station through the stop instruction on the LCD panel step 2 T...

Страница 62: ...p 6 Disconnect the switches of the MV transformer step 7 Disconnect the switches of the PV combiner boxes step 8 MV Station stops running End Specific switch position refer to 3 3 3 Internal Devices o...

Страница 63: ...d replace the button cells on the back of the LCD panel 9 2 Default Screen 9 2 1 Initialization The LCD is initialized when the intelligent PMD is power on and then enters into the starting menu Appea...

Страница 64: ...2 3 Backlight and Screensaver If no operation has been performed on the screen for more than 5 minutes the backlight will go off Tap the screen to activate the backlight so that the latest interface r...

Страница 65: ...date and time B Data display or parameter configuration C From left to right there are three main icons and a return button which is used to return to the previous menu For convenience s sake the ope...

Страница 66: ...gitals input Esc Escape and close the keypad Enter Confirm the password entered Max Min The maximum and minimum value can be input digital outside this range is invalid If the input password is 1111 u...

Страница 67: ...enu Select either language by tapping the language button By tapping the button the language will switch among English Chinese and the like Language on the button is the present display language of th...

Страница 68: ...e output power DC voltage current power factor reactive power efficiency daily monthly annual power yields internal temperature positive negative insulation resistance to the ground running time amoun...

Страница 69: ...Data System can record the MV Station running information for the latest 90 days with the records updated every 15 minutes per day History data displays the data related to the power yields and the el...

Страница 70: ...page The upper left side of the event table is the total numbers of the current warn records Tap Prev or Next to turn pages up or down End 9 10 Checking Present Fault Information There may be one or m...

Страница 71: ...l the operation by tapping Cancel 9 12 Load Default Proceed as follows to restore factory defaults step 1 Tap Function from the default menu step 2 Tap Set parameter step 3 Tap Sys parameter after ent...

Страница 72: ...the Network Parameter interface for IP address subnet mask etc End 9 14 2 Running Parameters Setting Running Parameters step 1 Tap Function from the default menu step 2 Tap Set parameter step 3 Tap R...

Страница 73: ...on the upstream and downstream connections are disconnected The module is therefore electricity free Initial Standby When the module upstream and downstream connections are connected and the DC switch...

Страница 74: ...the LCD panel and then start the module If the fault is unrecoverable stop the MV Station and perform maintenance work Module will automatically check if the fault is recoverable When a DSP fault or a...

Страница 75: ...er entering the correct password step 4 Tap Remote Local control and enter into the Remote Local control sub menu step 5 Select the control method through the pull down list End 10 3 Active Power Limi...

Страница 76: ...ning information sub menu as follows step 1 Tap Function from the default menu step 2 Tap Set parameter step 3 Tap Run parameter after entering the correct password step 4 Turn the page down to select...

Страница 77: ...to the grid during power system failure the active power will recover from the moment the fault is removed at the speed of at least 30 nominal power second Dynamic Reactive Current Support During LVR...

Страница 78: ...ucted Grid In the early stage of power station commissioning when the inverter has no AC power or the grid cannot transmit power for some reason the on site equipment can not be commissioned because t...

Страница 79: ...3 After the inverter LCD is powered on stop the inverter through the LCD step 4 Disconnect the HV switch QS9 inside the intelligent power distribution cabinet and close the LV switch QS8 step 5 Via t...

Страница 80: ...ution cabinet and close the HV switch QS9 of the power distribution cabinet 10 7 2 High voltage Mode Applicable Scenario The high voltage mode is suitable for debugging the MV side when the grid canno...

Страница 81: ...bugged End Subsequent Processing 1 Check and confirm that all the micro circuit breakers inside the intelligent power distribution cabinet are in off state 2 Stop the 1 unit through the LCD screen of...

Страница 82: ...Optional 10 10 1 Introduction to PID Effect Potential Induced Degradation PID of the solar module is a performance degradation caused by high negative voltage The PID effect can occur with all crystal...

Страница 83: ...4 Click Next to find the page with PID repair and click to enable the manual repair End If there is Key stop or Emergency stop or a device fault during the repair process the repair process will autom...

Страница 84: ...equipment will exit insulation monitoring mode and enter negative pole grounding mode again 10 11 2 Simple Troubleshooting Regardless of the MV Station setting when the insulation resistance is below...

Страница 85: ...tion can detect the abnormal voltage and respond quickly 10 14 3 Frequency Anomaly Protection When the grid frequency exceeds the permissible range MV Station will stop feeding the grid send warning s...

Страница 86: ...ill send instruction to stop the module and display the fault type on the LCD screen 10 14 7 Module Over temperature Protection IGBT modules inside the MV Station uses thermal sensor with high precisi...

Страница 87: ...onents from the same manufacturer The model number can be acquired from the marking of the MV Station or the component itself If otherwise contact Sungrow If the field work needs to replace the compon...

Страница 88: ...shuts down and stops feeding power into the grid Minor Some components are faulty but the MV Station can still feed power to the grid Warning Functions of the MV Station are normal but the output powe...

Страница 89: ...ple cracked Check whether the 3 phase current of the capacitor is in balance when necessary Vdc Low The DC input voltage is excessively low Major 1 Check in the Stop mode whether the DC voltage displa...

Страница 90: ...the set protective threshold Major 1 Tap Set parameters Pro parameters on the LCD to check whether the protection parameter is in compliance with the local standards and regulations 2 Disconnect the...

Страница 91: ...supply are in the ON or OFF positions If all switches are in the ON position disconnect a switch If all switches are in the OFF position connect a switch 2 Check whether the internal and external pow...

Страница 92: ...side of the module is faulty Major 1 Refer to the measure for DC SPD flt 2 Check whether the micro circuit breaker connected in series to the SPD is disconnected 3 If the micro circuit breaker is disc...

Страница 93: ...e AC leakage currents exceeds the protective threshold Major 1 Check whether the AC cables are damaged 2 If the LV side of the transformer is connected in the Y type ensure that the neutral point is u...

Страница 94: ...er AC switches are connected disconnected normally 4 Check AC switches for conductivity with a multimeter Radiator over temp The temperature of the heat sink inside the inverter is excessively high Ma...

Страница 95: ...Anti PID power fit Anti PID power supply is abnormal Minor 1 Check the insulation of AC cables 2 Check AC SPD 3 Check the neutral point on the LV side of the transformer and ensure it is not grounded...

Страница 96: ...uses of the inverter are abnormal Minor Check whether the DC fuse have blown If so contact Sungrow and replace the fuses Branch Fuse flt Branch fuses of the inverter are abnormal Minor Refer to the me...

Страница 97: ...res for Branch breaker flt Check whether the DC switch is connected I leakage pro The sampling value of the AC leakage currents exceeds the protective threshold Major 1 Check whether the AC cables are...

Страница 98: ...nverter are abnormal Minor Contact Sungrow Branch fwd Idc high Branch forward current is excessively high Minor Contact Sungrow Branch rev ldc high Branch reverse current is excessively high Minor Con...

Страница 99: ...igh and tripping occurs Major Contact Sungrow Trans oil T alarm The temperature in the oil tank of the transformer is abnormal and an alarm is triggered Minor Contact Sungrow Heavy gas alarm The gas i...

Страница 100: ...D power supply malfunction Check the connection between the LCD display and the DSP when the MV Station is voltage free Failure to communicate with PC Possible reasons are various Refer to the Measure...

Страница 101: ...maintenance scope The minimum maintenance distance around the MV Station should be reserved at all times 12 2 1 General Safety Rules Lethal voltage inside the MV Station Wait at least 5 minutes after...

Страница 102: ...nment condition or long time operation however may cause age and damage of the MV Station Check and maintain the MV Station periodically and replace the aged components can effectively enlarge the ser...

Страница 103: ...and fasten all the screws after the maintenance work Make sure all bolts are securely fixed Repair immediately any anomalies found during routine maintenance If any doubts arise contact Sungrow Mainte...

Страница 104: ...Station if necessary Check whether the air inlet and outlet are blocked Warning labels and marks Check whether the warning labels and marks are firmly attached and clearly legible Replace them if nec...

Страница 105: ...container Air inlet outlet Check whether the air inlet filters and ventilation ducts of the MV Station and its internal devices are normal and clean or replace the filters if necessary Cable connecti...

Страница 106: ...ing labels and other device symbols for completeness and legibility and replace them in time if necessary Software maintenance Inspect all parameter settings Module cleanness Check the temperature and...

Страница 107: ...nternal devices are in a comparatively good condition to a certain degree 12 4 2 Cleaning Interval The cleaning interval depends on the operation conditions of the MV Station for example the weather c...

Страница 108: ...n they are dry Replace the filter screen if there is any damage Further Processing After cleaning and replacement reinstall the bottom plate and secure it with bolts 12 4 6 Cleaning the Surface of the...

Страница 109: ...tion 2 smudginess on the surface damage to the finishing coat that cannot be cleaned Situation 3 the undercoat is damaged and the primer is revealed Maintenance and Operation Steps for Situation 1 Mat...

Страница 110: ...ter or use 97 alcohol 3 When the surface is clean and dry paint the scratched parts of the paint by banister brush and make sure the painting is as uniform as possible Maintenance and Operation Steps...

Страница 111: ...ry paint the base material revealed parts with zinc primer or other local primers with the same function for protection The paints should cover the revealed primer completely 4 Paint the scratched par...

Страница 112: ...analysis and confirmation by Sungrow is needed Failure to follow this procedure may lead to physical injury or death and void all warranty from Sungrow 12 6 2 Replace DC Fuses Strictly observe the ins...

Страница 113: ...r via the stop instruction on the LCD screen step 2 Turn the DC knob switch to the OFF position step 3 Disconnect DC output switches of all PV array combiner boxes upstream step 4 Disconnect the DC lo...

Страница 114: ...igure 1 Unscrew fastening bolt of the to be replaced fuse with a socket spanner 2 Remove the fuse 3 Use M8 30 bolt to fasten new fuse with a socket spanner Fastening torque 18 23N m 12 Routine Mainten...

Страница 115: ...that the network zone has ingress protection and minimized port exposure The network should have an independent subnet that is physically isolated Ensure that network security protections are in plac...

Страница 116: ...108 Ensure that all RS 485 data cables are inspected periodically for damage wear and tear 13 Cyber Security Protocol System Manual...

Страница 117: ...is a best practice recommendation based on the Purdue ReferenceModel PRM an industry leading Industrial Control System ICS cybersecuritymodel adopted by standards and frameworks such as the ISA 62443...

Страница 118: ...113 3240 kVA 50 122 Nominal grid frequency 50 Hz 60 Hz Grid frequency range 45 55 Hz 55 65 Hz THD 3 at nominal power Power factor at nominal power 0 99 Adjustable power factor 0 8 leading 0 8 lagging...

Страница 119: ...andard 1000 m Customized 3280 8 ft standard 3280 8 ft Customized DC coupled storage interface Optional Charging power from the grid Optional Display Touch screen Communication Standard RS485 Ethernet...

Страница 120: ...er incorrect safety or protection conditions Alter the product or supplied software without authority Product malfunctions due to operation attached or neighboring devices running out of the allowed l...

Страница 121: ...M H 002011 www sungrowpower com Sungrow Power Supply Co Ltd...

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