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Locating Insulation Resistance Faults

If the ground resistance of a PV string connected to a solar inverter is too low, the

solar inverter generates a Low Insulation Resistance alarm.
The possible causes are as follows:
●

A short circuit occurs between the PV array and the ground.

●

The ambient air of the PV array is damp and the insulation between the PV

array and the ground is poor.

To locate the fault, connect each PV strings to a solar inverter, power on and

check the solar inverter, and locate the fault based on the alarm information

reported by the FusionSolar app. If a system is not configured with any optimizer,

skip the corresponding operations. Perform the following steps to locate an

insulation resistance fault.

NO TICE

If two or more ground insulation faults occur in a single PV string, the following

method cannot locate the fault. You need to check the PV modules one by one.

Step 1 The AC power supply is connected, and set the DC switch at the bottom of the

solar inverter to OFF. If the solar inverter connects to batteries, wait for 1 minute,

and turn off the the battery switch and then the auxiliary power switch of the

battery.

Step 2 Connect each PV string to the solar inverter and set the DC switch to ON. If the

solar inverter status is Shutdown: Command, choose Device Commissioning >

Maintenance > Inverter ON/OFF on the app and send a startup command.

Step 3 Log in to the FusionSolar app and choose My > Device Commissioning. On the

Device Commissioning screen, connect and log in to the solar inverter, and access

the Alarm management screen. Check whether the Low Insulation Resistance

alarm is reported.
●

If the Low Insulation Resistance alarm is not reported one minute after the

DC is supplied, choose Device Commissioning > Maintenance > Inverter

ON/OFF on the app and send a shutdown command. Set the DC switch to

OFF and go to

Step 2

to connect another PV string to the solar inverter for a

check.

SUN2000-(3KTL-10KTL)-M1

User Manual

E Locating Insulation Resistance Faults

Issue 02 (2020-11-20)

114

Содержание SUN2000-10KTLM1

Страница 1: ...SUN2000 3KTL 10KTL M1 User Manual Issue 02 Date 2020 11 20 HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ...cribed in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this document is subject to change without notice Every effort has been made in the prep...

Страница 3: ... SUN2000 10KTL M1 are not applicable to Australia Intended Audience This document is applicable to Installers Users Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Description Indicates a hazard with a high level of risk which if not avoided will result in death or serious injury Indicates a hazard with a medium level of risk which if not avoided cou...

Страница 4: ...n text NOTE is used to address information not related to personal injury equipment damage and environment deterioration Change History Changes between document issues are cumulative The latest document issue contains all the changes made in earlier issues Issue 02 2020 11 20 Updated 7 2 1 2 Battery Control Issue 01 2020 09 30 This issue is used for first office application FOA SUN2000 3KTL 10KTL ...

Страница 5: ...Nameplate 14 2 4 Working Principles 14 2 4 1 Circuit Diagram 14 2 4 2 Working Modes 15 3 Storage 17 4 Installation 18 4 1 Checking Before Installation 18 4 2 Tools 19 4 3 Determining the Installation Position 20 4 3 1 Environment Requirements 20 4 3 2 Space Requirements 21 4 4 Moving the SUN2000 24 4 5 Installing the Mounting Bracket 24 4 5 1 Wall mounted Installation 25 4 5 2 Support mounted Inst...

Страница 6: ...67 7 1 1 Downloading the FusionSolar App 67 7 1 2 Optional Registering an Installer Account 67 7 1 3 Creating a PV Plant and a User 69 7 1 4 Optional Setting the Physical Layout of the Smart PV Optimizers 69 7 1 5 Detect optimizer disconnection 72 7 2 Parameters Settings 72 7 2 1 Energy Control 72 7 2 1 1 Grid tied Point Control 73 7 2 1 2 Battery Control 76 7 2 2 AFCI 78 7 2 3 IPS Check for Italy...

Страница 7: ...7 C Resetting Password 110 D Rapid Shutdown 113 E Locating Insulation Resistance Faults 114 F Acronyms and Abbreviations 117 SUN2000 3KTL 10KTL M1 User Manual Contents Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd vi ...

Страница 8: ...under the warranty Follow local laws and regulations when installing operating or maintaining the equipment The safety instructions in this document are only supplements to local laws and regulations Huawei will not be liable for any consequences of the following circumstances Operation beyond the conditions specified in this document Installation or use in environments which are not specified in ...

Страница 9: ...ner Equipment with scratches cannot be exposed to an outdoor environment for a long period of time Do not open the host panel of the equipment Personal Safety If there is a probability of personal injury or equipment damage during operations on the equipment immediately stop the operations report the case to the supervisor and take feasible protective measures Use tools correctly to avoid hurting ...

Страница 10: ... not damage the ground conductor Do not operate the equipment in the absence of a properly installed ground conductor Ensure that the equipment is connected permanently to the protective ground Before operating the equipment check its electrical connection to ensure that it is securely grounded General Requirements DANGER Before connecting cables ensure that the equipment is intact Otherwise elect...

Страница 11: ...ell ventilated environment To prevent fire due to high temperature ensure that the ventilation vents or heat dissipation system are not blocked when the equipment is running Do not expose the equipment to flammable or explosive gas or smoke Do not perform any operation on the equipment in such environments 1 5 Mechanical Safety Using Ladders Use wooden or fiberglass ladders when you need to perfor...

Страница 12: ...rotect the equipment from shavings After drilling clean up any shavings that have accumulated inside or outside the equipment Moving Heavy Objects Be cautious to avoid injury when moving heavy objects When moving the equipment by hand wear protective gloves to prevent injuries 1 6 Commissioning When the equipment is powered on for the first time ensure that professional personnel set parameters co...

Страница 13: ...ment and using proper tools and testing equipment Before maintaining the equipment power it off and follow the instructions on the delayed discharge label to ensure that the equipment is powered off Place temporary warning signs or erect fences to prevent unauthorized access to the maintenance site If the equipment is faulty contact your dealer The equipment can be powered on only after all faults...

Страница 14: ...ower grid Model This document covers the following SUN2000 models SUN2000 3KTL M1 SUN2000 4KTL M1 SUN2000 5KTL M1 SUN2000 6KTL M1 SUN2000 8KTL M1 SUN2000 10KTL M1 NOTE The SUN2000 8KTL M1 and SUN2000 10KTL M1 are not applicable to Australia Figure 2 1 Model description using SUN2000 5KTL M1 as an example SUN2000 3KTL 10KTL M1 User Manual 2 Overview Issue 02 2020 11 20 Copyright Huawei Technologies...

Страница 15: ...ss 4 Product code M1 product series with an input voltage level of 1100 V DC Networking Application The SUN2000 applies to residential rooftop grid tied systems and small sized ground PV plant grid tied systems Typically a grid tied system consists of PV strings grid tied inverters AC switches and power distribution units Figure 2 2 Networking application dashed boxes indicate optional components ...

Страница 16: ...N2000 50KTL 60KTL 65KTL M0 SUN2000 29 9KTL 36KTL or SUN2000 33KTL A Supported Power Grid Types The SUN2000 supports TN S TN C TN C S TT and IT power grids Figure 2 3 Power grid types NOTE When the SUN2000 is used in the TT power grid the N to PE voltage must be less than 30 V When the SUN2000 is used in the IT power grid set Isolation to Input ungrounded with TF 2 2 Appearance SUN2000 3KTL 10KTL M...

Страница 17: ...PV2 PV2 13 DC input terminals PV1 PV1 14 DC switch DC SWITCH 15 Hole for the DC switch locking screw NOTE Two M6 screw holes are reserved on the left and right sides of the SUN2000 for installing the awning Table 2 2 Indicator description Category Status Description Running indicator LED1 LED2 Steady green Steady green The SUN2000 is operating in grid tied mode SUN2000 3KTL 10KTL M1 User Manual 2 ...

Страница 18: ...d then off for 0 2s DC environment alarm For example the input voltage of the PV string is high the PV string is reversely connected or the insulation resistance is low Blinking red at short intervals AC environment alarm For example the power grid is undervoltage overvoltage overfrequency or underfrequency Steady red Steady red Fault Communica tions indicator LED3 Blinking green at short interval...

Страница 19: ... the SUN2000 needs to be replaced 2 3 Label Description 2 3 1 Enclosure Labels Symbol Name Description Delay discharge Residual voltage exists after the SUN2000 is powered off It takes 5 minutes for the SUN2000 to discharge to the safe voltage Burn warning Do not touch a running SUN2000 because it generates high temperatures on the shell SUN2000 3KTL 10KTL M1 User Manual 2 Overview Issue 02 2020 1...

Страница 20: ...umentation Reminds operators to refer to the documents delivered with the SUN2000 Grounding label Indicates the position for connecting the PE cable Operation warning Do not remove the DC input connector or AC output connector when the SUN2000 is running SUN2000 serial number Indicates the serial number SUN2000 MAC address Indicates the MAC address SUN2000 WiFi login QR code Scan the QR code to co...

Страница 21: ...ference only 2 4 Working Principles 2 4 1 Circuit Diagram Two PV strings connect to the SUN2000 and their maximum power points are tracked by two maximum power point tracking MPPT circuits The SUN2000 converts DC power into three phase AC power through an inverter circuit Surge protection is supported on both the DC and AC sides SUN2000 3KTL 10KTL M1 User Manual 2 Overview Issue 02 2020 11 20 Copy...

Страница 22: ...ceptual diagram 2 4 2 Working Modes The SUN2000 can work in Standby Operating or Shutdown mode Figure 2 7 Working modes SUN2000 3KTL 10KTL M1 User Manual 2 Overview Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 15 ...

Страница 23: ... detects a fault or a shutdown command it enters the Shutdown mode The SUN2000 enters Standby mode after detecting that the PV string output power is not suitable for connecting to the power grid for generating power If the PV modules receive no sunlight the battery works in discharge mode and the battery reaches the end of discharge capacity the SUN2000 enters Shutdown mode Shutdown In Standby or...

Страница 24: ...r corrosion A maximum of eight SUN2000s can be stacked To avoid personal injury or device damage stack SUN2000s with caution to prevent them from falling over Periodic inspections are required during the storage Replace the packing materials if necessary If the SUN2000 has been long term stored inspections and tests should be conducted by qualified personnel before it is put into use SUN2000 3KTL ...

Страница 25: ...ontact your supplier as soon as possible NOTE You are advised to remove the packing materials within 24 hours before installing the inverter Package Contents After unpacking the inverter check that the contents are intact and complete If any damage is found or any component is missing contact your supplier NOTE For details about the number of contents see the Packing List in the packing case SUN20...

Страница 26: ...PV MS HZ Open end Wrench manufacturer Staubli Rubber mallet Utility knife Cable cutter Crimping tool Model PV CZM 22100 manufacturer Staubli Multimeter DC voltage measurement range 1100 V DC Vacuum cleaner Marker Measuring tape Bubble or digital level Cord end terminal crimper SUN2000 3KTL 10KTL M1 User Manual 4 Installation Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 19 ...

Страница 27: ...doors in salt areas because it will be corroded there and may cause fire A salt area refers to the region within 500 meters from the coast or prone to sea breeze The regions prone to sea breeze vary depending on weather conditions such as typhoons and monsoons or terrains such as dams and hills The SUN2000 must be installed in a well ventilated environment to ensure good heat dissipation Recommend...

Страница 28: ...ngle requirements are as follows Install the SUN2000 vertically or at a maximum back tilt of 15 degrees to facilitate heat dissipation Do not install the SUN2000 at forward tilted excessive back tilted side tilted horizontal or upside down positions Figure 4 1 Installation tilts Installation Space Requirements Reserve enough space around the SUN2000 to ensure sufficient space for installation and ...

Страница 29: ...if sufficient space is available and install them in triangle mode if no sufficient space is available Stacked installation is not recommended Figure 4 3 Horizontal installation recommended SUN2000 3KTL 10KTL M1 User Manual 4 Installation Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 22 ...

Страница 30: ...Figure 4 4 Staggered installation recommended Figure 4 5 Stacked installation not recommended SUN2000 3KTL 10KTL M1 User Manual 4 Installation Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 23 ...

Страница 31: ...t use the wiring terminals and ports at the bottom to support any weight of the SUN2000 Place a foam pad or cardboard under the SUN2000 to protect the SUN2000 enclosure from damage Figure 4 6 Moving the SUN2000 End 4 5 Installing the Mounting Bracket Installation Precautions Figure 4 7 shows the dimensions of installation holes on the SUN2000 Figure 4 7 Mounting bracket dimensions SUN2000 3KTL 10K...

Страница 32: ...on sleeve DANGER Avoid drilling holes in the water pipes and cables buried in the wall NOTICE To prevent dust inhalation or contact with eyes wear safety goggles and an anti dust mask when drilling holes Clean up any dust in and around the holes using a vacuum cleaner and measure the distance between holes If the holes are inaccurately positioned drill holes again Level the top of the expansion sl...

Страница 33: ...witch to prevent the SUN2000 from being started by mistake For the model used in Australia perform this step based on the local standards Figure 4 10 Installing the locking screw for the DC switch Step 4 Install the SUN2000 onto the mounting bracket Step 5 Tighten the nut Figure 4 11 Installing a SUN2000 Step 6 Optional Install an anti theft lock SUN2000 3KTL 10KTL M1 User Manual 4 Installation Is...

Страница 34: ...5 2 Support mounted Installation Prerequisites Prepare M6 stainless bolt assemblies including flat washers spring washers and M6 bolts with appropriate lengths as well as matched flat washers and nuts based on the support specifications Procedure Step 1 Determine the hole positions based on the marking off template and then mark the hole positions using a marker SUN2000 3KTL 10KTL M1 User Manual 4...

Страница 35: ...s using a hammer drill NOTE You are advised to apply anti rust paint on the hole positions for protection Figure 4 14 Drilling holes Step 3 Secure the mounting bracket SUN2000 3KTL 10KTL M1 User Manual 4 Installation Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 28 ...

Страница 36: ...o secure the DC switch to prevent the SUN2000 from being started by mistake For the model used in Australia perform this step based on the local standards Figure 4 16 Installing the locking screw for the DC switch Step 5 Install the SUN2000 onto the mounting bracket Step 6 Tighten bolt assemblies Figure 4 17 Installing a SUN2000 SUN2000 3KTL 10KTL M1 User Manual 4 Installation Issue 02 2020 11 20 ...

Страница 37: ...ter Ф8 mm by yourself Ensure that the lock can be installed successfully Outdoor waterproof lock is recommended Keep the key to the anti theft lock properly Figure 4 18 Installing an anti theft lock End SUN2000 3KTL 10KTL M1 User Manual 4 Installation Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 30 ...

Страница 38: ...nnections dashed boxes indicate optional components NOTICE If a Smart Dongle is configured it is recommended that you install it before connecting the signal cable SUN2000 3KTL 10KTL M1 User Manual 5 Electrical Connections Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 31 ...

Страница 39: ...gle1 Supported models WLAN FE Smart Dongle SDongleA 05 4G Smart Dongle SDongleA 03 Purchased from Huawei E Optional SUN2000 Select a proper model as required Purchased from Huawei F Optional SmartLogger Select a proper model as required Purchased from Huawei G Optional Power meter The DTSU666 H power meter is recommended Purchased from Huawei H Optional Power grid scheduling device Select the devi...

Страница 40: ...ails about how to operate the 4G Smart Dongle SDongleA 03 see SDongleA 03 Quick Guide 4G You can obtain the quick guide at https support huawei com enterprise en index html by searching for the Smart Dongle model Table 5 2 Cable description No Name Type Recommended Specifications 1 DC input power cable Common outdoor PV cable in the industry Recommended model PV1 F Conductor cross sectional area 4...

Страница 41: ...routing method ambient temperature and maximum desired line losses 5 2 Connecting the PE cable Important Notes DANGER Ensure that the PE cable is securely connected Otherwise electric shocks may occur Do not connect the N wire to the enclosure as a PE cable Otherwise electric shocks may occur NOTE The PE point at the AC output port is used only as a PE equipotential point not a substitute for the ...

Страница 42: ...able is a single core outdoor copper cable with a conductor cross sectional area greater than or equal to 10 mm2 Use cables with the same diameter as the AC output power cable and ground the PE terminal on the AC connector and the ground screw on the chassis In some countries and regions the SUN2000 must have additional ground cables Use cables with the same diameter as the AC output power cable a...

Страница 43: ...necting the PE cable End 5 3 Connecting the AC Output Power Cable Precautions A three phase AC switch needs to be installed on the AC side of the SUN2000 To ensure that the SUN2000 can safely disconnect itself from the power grid when an SUN2000 3KTL 10KTL M1 User Manual 5 Electrical Connections Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 36 ...

Страница 44: ... AC switch can perform earth leakage protection the rated leakage action current should be greater than or equal to 100 mA If multiple SUN2000s connect to the general residual current device RCD through their respective external AC switches the rated leakage action current of the general RCD should be greater than or equal to the number of SUN2000s multiplied by 100 mA A knife switch cannot be use...

Страница 45: ...provide firm and solid electrical connections Failing to do so may cause SUN2000 malfunction and damage to its AC connectors Ensure that the cable is not twisted Figure 5 5 Three core cable L1 L2 and L3 Figure 5 6 Four core cable L1 L2 L3 and PE SUN2000 3KTL 10KTL M1 User Manual 5 Electrical Connections Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 38 ...

Страница 46: ...reference only Select an appropriate cable according to local standards Step 2 Connect the AC connector to the AC output port NOTICE Ensure that the AC connector is connected securely Figure 5 9 Securing the AC connector SUN2000 3KTL 10KTL M1 User Manual 5 Electrical Connections Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 39 ...

Страница 47: ...SUN2000 is OFF Otherwise electric shocks may occur When the SUN2000 is operating it is not allowed to work on the DC input power cables such as connecting or disconnecting a PV string or a PV module in a PV string Otherwise electric shocks may occur If no PV string connects to a DC input terminal of the SUN2000 do not remove the watertight cap from the DC input terminals Otherwise the IP rating of...

Страница 48: ...solar irradiance declines at night and the PV string current reduces to below 0 5 A and then turn off the DC switch and remove the positive and negative connectors Correct the PV string polarity before reconnecting the PV string to the SUN2000 NOTICE Since the output of the PV string connected to the SUN2000 cannot be grounded ensure that the PV module output is well insulated to ground During the...

Страница 49: ...hat the DC switch is set to OFF CAUTION Use the positive and negative Staubli MC4 metal terminals and DC connectors supplied with the SUN2000 Using incompatible positive and negative metal terminals and DC connectors may result in serious consequences The caused device damage is not covered under warranty SUN2000 3KTL 10KTL M1 User Manual 5 Electrical Connections Issue 02 2020 11 20 Copyright Huaw...

Страница 50: ...ve connectors immediately Otherwise the device may be damaged The caused device damage is not covered under any warranty Wait until the solar irradiance declines at night and the PV string current reduces to below 0 5 A and then turn off the DC switch and remove the positive and negative connectors Correct the PV string polarity before reconnecting the PV string to the SUN2000 NOTE The DC voltage ...

Страница 51: ...shocks may occur Before connecting the battery cables ensure that the DC switch on the SUN2000 and all the switches connecting to the SUN2000 are OFF and the SUN2000 has no residual electricity Otherwise the high voltage of the SUN2000 and battery may result in electric shocks If no battery connects to the SUN2000 do not remove the watertight caps from the battery terminals Otherwise the protectio...

Страница 52: ... meters recommended within 5 meters Procedure Step 1 Assemble the positive and negative connectors by referring to 5 4 Installing DC input power cables DANGER The battery voltage may result in serious injury Use dedicated insulation tools when connecting cables Ensure that cables are correctly connected between the battery terminal and the battery switch and between the battery switch and the SUN2...

Страница 53: ... 4G communication is used install the 4G Smart Dongle SDongleA 03 The 4G Smart Dongle needs to be purchased by the user WLAN FE Smart Dongle FE Communication You are advised to use a Cat 5e outdoor shielded network cable outer diameter 9 mm internal resistance 1 5 ohms 10 m and shielded RJ45 connectors SUN2000 3KTL 10KTL M1 User Manual 5 Electrical Connections Issue 02 2020 11 20 Copyright Huawei ...

Страница 54: ...installation direction based on the silk screen and arrow on the card slot Press the SIM card in place to lock it indicating that the SIM card is correctly installed When removing the SIM card push it inwards to eject it When reinstalling the shell of the Smart Dongle ensure that the buckle springs back in place and a click sound is generated Figure 5 17 Installing a 4G Smart Dongle SUN2000 3KTL 1...

Страница 55: ...ongle 5 7 Optional Connecting the Signal Cable COM Port Pin Definitions NOTICE When laying out the signal cable separate it from the power cable and keep it away from strong interference sources to avoid strong communication interference Ensure that the protective layer of the cable is inside the connector that excess core wires are cut off from the protection layer that the exposed core wire is t...

Страница 56: ...tio n Functions Remarks Pin Definitio n Functions Remarks 1 485A1 1 RS485A RS485 differential signal Used for SUN2000 cascading or connecting to the RS485 signal port on the SmartLogger 2 485A1 2 RS485A RS485 differential signal Used for SUN2000 cascading or connecting to the RS485 signal port on the SmartLogger 3 485B1 1 RS485B RS485 differential signal 4 485B1 2 RS485B RS485 differential signal ...

Страница 57: ... signal 2 Used to connect to dry contacts for grid scheduling 11 EN Enable signal Used to connect to the enable signal of the battery 12 DIN3 Digital input signal 3 13 GND GND 14 DIN4 Digital input signal 4 15 DIN5 Rapid shutdown Used to connect to the rapid shutdown DI signal port or used as the reserved port for the signal cable of the NS protection device 16 GND GND of DI1 DI2 DI3 DI4 Used to c...

Страница 58: ...ked with the Smart Dongle it cannot connect to the SmartLogger A DTSU666 H smart power meter provided by Huawei is required to prevent backflow The power meter and Smart Dongle must be connected to the same SUN2000 If a battery is connected a maximum of three inverters can be cascaded Any one of the inverters can be connected to the battery The inverter connected to the Smart Dongle must be connec...

Страница 59: ...t connect to the Smart Dongle A DTSU666 H smart power meter provided by Huawei is required to prevent backflow To ensure the system response speed it is recommended that the power meter be connected to one COM port 5 7 1 Connecting the RS485 Communications Cable Inverter Cascading Procedure Step 1 Connect the signal cable to the signal cable connector SUN2000 3KTL 10KTL M1 User Manual 5 Electrical...

Страница 60: ...al cable connector End 5 7 2 Connecting the RS485 Communications Cable Smart Power Sensor Cable Connection The following figure shows the cable connections between the inverter and the Smart Power Sensor SUN2000 3KTL 10KTL M1 User Manual 5 Electrical Connections Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 53 ...

Страница 61: ...Figure 5 23 Cable connection Three Phase Three Wire SUN2000 3KTL 10KTL M1 User Manual 5 Electrical Connections Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 54 ...

Страница 62: ...e Four Wire 1 Shielding layer of the signal cable Procedure Step 1 Connect the signal cable to the signal cable connector SUN2000 3KTL 10KTL M1 User Manual 5 Electrical Connections Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 55 ...

Страница 63: ...the signal cable connector End 5 7 3 Connecting an RS485 Communications Cable Between a Power Meter and a Battery Procedure Step 1 Connect the signal cable to the signal cable connector SUN2000 3KTL 10KTL M1 User Manual 5 Electrical Connections Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 56 ...

Страница 64: ...signal cable connector End 5 7 4 Connecting the Power Grid Scheduling Signal Cable Cable Connection The following figure shows the cable connections between the inverter and the Ripple Control Device SUN2000 3KTL 10KTL M1 User Manual 5 Electrical Connections Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 57 ...

Страница 65: ...he signal cable connector Figure 5 30 Installing the cable Step 2 Connect the signal cable to the COM port Figure 5 31 Securing the signal cable connector End SUN2000 3KTL 10KTL M1 User Manual 5 Electrical Connections Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 58 ...

Страница 66: ...ble to the signal cable connector Figure 5 32 Installing the cable Step 2 Connect the signal cable connector to the COM port Figure 5 33 Securing the signal cable connector End SUN2000 3KTL 10KTL M1 User Manual 5 Electrical Connections Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 59 ...

Страница 67: ...le grounding The PE cable is connected correctly and securely 6 Switch DC switches and all the switches connecting to the SUN2000 are OFF 7 Cable connection The AC output power cable DC input power cables battery cable and signal cable are connected correctly and securely 8 Unused terminals and ports Unused terminals and ports are locked by watertight caps 9 Installation environment The installati...

Страница 68: ...ault is automatically rectified Step 3 Optional Remove the locking screw from the DC switch Figure 6 1 Removing the locking screw from a DC switch Step 4 Turn on the DC switch if any between the PV string and the SUN2000 Step 5 Turn on the DC switch at the bottom of the SUN2000 Step 6 Wait for about 1 minute and observe the LED indicators on the SUN2000 to check its running status Table 6 2 LED in...

Страница 69: ... at short intervals on for 0 2s and then off for 0 2s There is an AC environmental alarm such as an alarm indicating Grid Undervoltage Grid Overvoltage Grid Overfrequency or Grid Underfrequency Steady red Steady red Fault Communicatio n indication LED3 N A Blinking green at short intervals on for 0 2s and then off for 0 2s Communication is in progress When a mobile phone is connected to the SUN200...

Страница 70: ...e is not secured or not powered on Yellow blinking green and red simultaneousl y Steady on The Smart Dongle is secured and powered on Red Blinking at short intervals on for 0 2s and then off for 0 2s The parameters for connecting to the router are not set Red Steady on Abnormal The Smart Dongle is faulty Replace the Smart Dongle SUN2000 3KTL 10KTL M1 User Manual 6 Commissioning Issue 02 2020 11 20...

Страница 71: ...ng to the router Green Steady on Connected to the management system Green Blinking at short intervals on for 0 2s and then off for 0 2s The SUN2000 communicates with the management system through the Smart Dongle 4G Smart Dongle Table 6 4 Indicator description Indicators Status Remarks Description Off Normal The Smart Dongle is not secured or not powered on Yellow blinking green and red simultaneo...

Страница 72: ...on Normal Connected to the management system Blinking at short intervals on for 0 2s and then off for 0 2s The SUN2000 communicates with the management system through the Smart Dongle Red Steady on Abnormal The Smart Dongle is faulty Replace the Smart Dongle Blinking at short intervals on for 0 2s and then off for 0 2s The Smart Dongle has no SIM card or the SIM card is in poor contact Check wheth...

Страница 73: ...act the carrier Check whether the tariff and traffic of the SIM card are normal If not recharge the SIM card or buy traffic Blinking red and green alternatively Blinking at long intervals on for 1s and then off for 1s No communication with the SUN2000 Remove and then insert the Smart Dongle Check whether the SUN2000 matches the Smart Dongle Connect the Smart Dongle to another SUN2000 Check whether...

Страница 74: ...u have an installer account skip this step You can register an account only using a mobile phone only in China The mobile number or email address used for registration is the user name for logging in to the FusionSolar app Create the first installer account and create a domain named after the company name SUN2000 3KTL 10KTL M1 User Manual 7 Man Machine Interaction Issue 02 2020 11 20 Copyright Hua...

Страница 75: ...counts for a company log in to the FusionSolar app and tap New User to create an installer account Figure 7 3 Creating multiple installer accounts for the same company SUN2000 3KTL 10KTL M1 User Manual 7 Man Machine Interaction Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 68 ...

Страница 76: ... the operations in this section Check that the SN labels of smart PV optimizers are correctly attached to the physical layout template Take and save a photo of the physical layout template Keep your phone parallel to the template and take a photo in landscape mode Ensure that the four positioning points in the corners are in the frame Ensure that each QR code is attached within the frame For detai...

Страница 77: ...he FusionSolar Smart PV Management System On the home page click the plant name to go to the plant page Choose Plant layout click Add Physical Layout and upload the physical layout template photo Figure 7 6 Uploading the physical layout template photo WebUI Step 2 Log in to https intl fusionsolar huawei com to access the WebUI of the FusionSolar Smart PV Management System On the Homepage page clic...

Страница 78: ...played 2 Tap the blank area The Identify image and Add PV modules buttons are displayed You can use either of the following methods to perform operations as prompted Method 1 Tap Identify image and upload the physical layout template photo to complete the optimizer layout The optimizers that fail to be identified need to be manually bound Method 2 Tap Add PV modules to manually add PV modules and ...

Страница 79: ...sioning screen and set SUN2000 parameters For details about entering the Device Commissioning screen see Device Commissioning To set more parameters tap Settings For details about the parameters see the FusionSolar APP and SUN2000 App User Manual You can also scan the QR code to obtain the document 7 2 1 Energy Control On the home screen tap Power adjustment to perform the corresponding operation ...

Страница 80: ... at the rated power Grid connection with zero power Closed loop controller If multiple SUN2000s are cascaded set this parameter to SDongle SmartLogger If there is only one SUN2000 set this parameter to Inverter Limitation mode Total power indicates export limitation of the total power at the grid tied point Power adjustment period Specifies the shortest interval for a single anti backfeeding adjus...

Страница 81: ...ing the communication disconnection between the SUN2000 and the Dongle This parameter is displayed when Communication disconnection fail safe is set to Enable Grid connection with limited power kW Closed loop controller If multiple SUN2000s are cascaded set this parameter to SDongle SmartLogger If there is only one SUN2000 set this parameter to Inverter Limitation mode Total power indicates export...

Страница 82: ...on time Specifies the time for determining the communication disconnection between the SUN2000 and the Dongle This parameter is displayed when Communication disconnection fail safe is set to Enable Grid connection with limited power Closed loop controller If multiple SUN2000s are cascaded set this parameter to SDongle SmartLogger If there is only one SUN2000 set this parameter to Inverter Limitati...

Страница 83: ... Enable the SUN2000 will derate according to the active power derating percentage when the communication between the SUN2000 and the Smart Dongle is disconnected for a period longer than Communication disconnection detection time Communication disconnection detection time Specifies the time for determining the communication disconnection between the SUN2000 and the Dongle This parameter is display...

Страница 84: ...dding a battery Parameters Settings On the home screen choose Power adjustment Battery control and set the battery parameters and working mode Figure 7 13 Battery control parameter setting SUN2000 3KTL 10KTL M1 User Manual 7 Man Machine Interaction Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 77 ...

Страница 85: ...ge from grid function is disabled by default comply with the grid charge requirements stipulated in local laws and regulations when this function is enabled Disable Enable Grid charge cutoff SOC Set the grid charge cutoff SOC 20 100 7 2 2 AFCI Function If PV modules or cables are not properly connected or damaged electric arcs may occur which may cause fire Huawei SUN2000s provide unique arc detec...

Страница 86: ...nd log in to the SUN2000 that generates the AFCI alarm tap Alarm management and tap Clear on the right of the DC arc fault alarm to clear the alarm Figure 7 14 Alarm management Method 2 FusionSolar Smart PV Management System Log in to the FusionSolar Smart PV Management System using a non owner account choose Intelligent O M Alarm Management select the DC arc fault alarm and click Clear to clear t...

Страница 87: ...ximum overfrequency 81 S2 minimum underfrequency 81 S and minimum underfrequency 81 S2 Procedure Step 1 On the home screen choose Maintenance IPS test to access the IPS test screen Step 2 Tap Start to start an IPS test The SUN2000 detects maximum voltage over 10 min 59 S1 maximum overvoltage 59 S2 minimum undervoltage 27 S1 minimum undervoltage 27 S2 maximum overfrequency 81 S1 maximum overfrequen...

Страница 88: ... protection threshold is 195 5 V 0 85 Vn and the default protection time threshold is 1 5s Minimum undervoltage 27 S2 The default undervoltage protection threshold is 34 5 V 0 15 Vn and the default protection time threshold is 0 2s Maximum overfrequency 81 S1 The default overfrequency protection threshold is 50 2 Hz and the default protection time threshold is 0 1s Maximum overfrequency 81 S2 The ...

Страница 89: ...s Tap Historical report in the upper right corner of the screen to view the IPS check report End 7 3 SmartLogger Networking Scenario See the Distributed PV Plants Connecting to Huawei Hosting Cloud Quick Guide Distributed Inverters SmartLogger1000A RS485 Networking and PV Plants Connecting to Huawei Hosting Cloud Quick Guide Inverters SmartLogger3000 RS485 Networking You can scan the QR code to ob...

Страница 90: ...ocks may occur as the PV string is energized Procedure Step 1 Turn off the AC switch between the SUN2000 and the power grid Step 2 Turn off the DC switch at the bottom of the SUN2000 Step 3 Optional Install the locking screw beside the DC switch Figure 8 1 Installing the locking screw for the DC switch Step 4 Turn on the DC switch between the PV string and the SUN2000 if there is any Step 5 Option...

Страница 91: ...t in particular the parts touching the metallic surface are not scratched The first inspection is 6 months after the initial commissioning From then on the interval can be 6 to 12 months Grounding reliability Check whether the ground terminal and ground cable are securely connected Annual Sealing Check whether all terminals and ports are properly sealed Annual 8 3 Troubleshooting Alarm severities ...

Страница 92: ...her the PV string cables arc or are in poor contact 2011 String reverse connectio n Major The PV string polarity is reversed Cause ID 1 PV1 Cause ID 2 PV2 Check whether the PV string is reversely connected to the SUN2000 If so wait until the PV string current decreases to below 0 5 A Then turn off the DC switch and correct the PV string polarity 2012 String current backfeed Warning The number of P...

Страница 93: ...C circuit is disconnected or the AC switch is off 2033 Grid undervolt age Major Cause ID 1 The grid voltage is below the lower threshold or the low voltage duration has lasted for more than the value specified by low voltage ride through LVRT 1 If the alarm occurs occasionally the power grid may be abnormal temporarily The SUN2000 automatically recovers after detecting that the power grid becomes ...

Страница 94: ... peak voltage of the power grid is too high If the alarm persists and cannot be rectified for a long time contact the power operator 2035 Grid volt Imbalanc e Major Cause ID 1 The difference between grid phase voltages exceeds the upper threshold 1 If the alarm occurs occasionally the power grid may be abnormal temporarily The SUN2000 automatically recovers after detecting that the power grid beco...

Страница 95: ...martLogger or NMS with the consent of the local power operator 2037 Grid underfreq uency Major Cause ID 1 Power grid exception The actual power grid frequency is lower than the requirements for the local power grid code 1 If the alarm occurs occasionally the power grid may be abnormal temporarily The SUN2000 automatically recovers after detecting that the power grid becomes normal 2 If the alarm p...

Страница 96: ...the fault is rectified 2 If the alarm persists and affects the energy yield of the power plant check whether the output is short circuited If the fault persists contact your dealer or Huawei technical support 2040 Output DC compone nt overhigh Major Cause ID 1 The DC component in the power grid current exceeds the upper threshold 1 The SUN2000 monitors its external operating conditions in real tim...

Страница 97: ...is normal 3 After the inverter is powered on check whether the output mode set for the inverter is consistent with the output cable connection mode 2062 Low insulation resistance Major Cause ID 1 A short circuit exists between the PV array and the ground The PV array is in a moist environment and the circuit is not well insulated to the ground 1 Check the impedance between the PV array output and ...

Страница 98: ...6 The upgrade is not completed normally 1 Perform an upgrade again 2 If the upgrade fails several times contact your dealer or Huawei technical support 2068 Battery abnormal Minor Cause ID 1 4 The battery is faulty The battery is disconnected The battery switch trips when the inverter is operating 1 If the fault indicator on the battery is steady on or blinking contact the battery dealer 2 Check w...

Страница 99: ...nnection point exceeds the upper threshold and obtained consent from the local power operator modify the overvoltage protection thresholds 3 Check whether the peak grid voltage exceeds the upper threshold 2077 Off grid output overload Major Cause ID 1 2 The output is overloaded or short circuited 1 Check whether the device output is short circuited 2 Check whether the device load configuration exc...

Страница 100: ... changed or PV strings Check whether the total number of PV modules number of PV modules in a PV string and number of PV strings meet requirements and whether the PV module output is reversely connected Cause ID 1 Check whether the total number of optimizers exceeds the upper threshold Cause ID 2 Check whether the PV string power or the number of PV strings connected in series exceeds the upper th...

Страница 101: ...tage exceeds the upper threshold of the inverter input voltage 2081 Optimize r fault Warning Cause ID 1 The optimizer is offline or faulty Go to the optimizer information screen to view the fault details 2082 Grid tied Off grid Controlle r Abnorma l Major Cause ID 1 The inverter fails to communicate with the Smart Backup Box Cause ID 2 An unrecoverable fault occurs on a circuit inside the Smart Ba...

Страница 102: ...r or Huawei technical support if all troubleshooting procedures listed above are completed and the fault still exists SUN2000 3KTL 10KTL M1 User Manual 8 Maintenance Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 95 ...

Страница 103: ... 3 Remove the mounting bracket 9 2 Packing the SUN2000 If the original packing materials are available put the SUN2000 inside them and then seal them by using adhesive tape If the original packing materials are not available put the SUN2000 inside a suitable cardboard box and seal it properly 9 3 Disposing of the SUN2000 If the SUN2000 service life expires dispose of it according to the local disp...

Страница 104: ... efficiency 98 2 98 3 98 4 98 6 98 6 98 6 European efficiency 96 7 97 1 97 5 97 7 98 0 98 1 Input Technical Specificatio ns SUN2000 3 KTL M1 SUN2000 4 KTL M1 SUN2000 5 KTL M1 SUN2000 6 KTL M1 SUN2000 8 KTL M1 SUN2000 1 0KTL M1 Maximum input voltagea 1100 V Maximum input current per MPPT 11 A SUN2000 3KTL 10KTL M1 User Manual 10 Technical Specifications Issue 02 2020 11 20 Copyright Huawei Technolo...

Страница 105: ...e maximum input voltage is the maximum DC input voltage that the SUN2000 can withstand If the input voltage exceeds this value the SUN2000 may be damaged Output Technical Specificatio ns SUN2000 3 KTL M1 SUN2000 4 KTL M1 SUN2000 5 KTL M1 SUN2000 6 KTL M1 SUN2000 8 KTL M1 SUN2000 1 0KTL M1 Rated output power 3000 W 4000 W 5000 W 6000 W 8000 W 10 000 W Maximum apparent power 3300 VA 4400 VA 5500 VA ...

Страница 106: ... V 14 5 A 400 V Maximum output current 5 1 A 6 8 A 8 5 A 10 1 A 13 5 A 16 9 A Output voltage frequency 50 Hz 60 Hz Power factor 0 8 leading 0 8 lagging Maximum total harmonic distortion THD AC THDi 3 under rated conditions Single harmonic meets the VDE4105 requirements Protection Technical Specificatio ns SUN2000 3 KTL M1 SUN2000 4 KTL M1 SUN2000 5 KTL M1 SUN2000 6 KTL M1 SUN2000 8 KTL M1 SUN2000 ...

Страница 107: ...on mode 5 kA differential mode 5 kA Insulation resistance detection Supported Residual current monitoring RCMU Supported AFCI Supported PV module safe shutdown optimizer Optional PID repair Optional Display and Communication Technical Specificatio ns SUN2000 3 KTL M1 SUN2000 4 KTL M1 SUN2000 5 KTL M1 SUN2000 6 KTL M1 SUN2000 8 KTL M1 SUN2000 1 0KTL M1 Display LED and WLAN app RS485 Supported SUN20...

Страница 108: ...ar mounting kit of the SUN2000 Weight 17 kg including only the rear mounting kit of the SUN2000 Noise 29 dB A typical working condition Operating temperatur e 25 C to 60 C derated when the temperature is higher than 45 C Operating humidity 0 100 RH Cooling mode Natural convection Maximum operating altitude 4000 m derated when the altitude is greater than 3000 m Storage temperatur e 40 C to 70 C St...

Страница 109: ...KTL M1 SUN2000 5 KTL M1 SUN2000 6 KTL M1 SUN2000 8 KTL M1 SUN2000 1 0KTL M1 Criteria EN IEC 62109 1 EN IEC 62109 2 10 2 Optimizer Technical Specifications Efficiency Technical Specifications SUN2000 450W P Maximum efficiency 99 5 European weighted efficiency 99 0 Input Technical Specifications SUN2000 450W P Rated PV module power 450 W Maximum PV module power 472 5 W SUN2000 3KTL 10KTL M1 User Man...

Страница 110: ...t current 15 A Output bypass Yes Shutdown output voltage impedance 0 V 1 kΩ 10 Common Parameters Technical Specifications SUN2000 450W P Dimensions W x H x D 71 mm x 138 mm x 25 mm Net weight 550 g DC input and output terminals Staubli MC4 Operating temperature 40 C to 85 C Storage temperature 40 C to 70 C Operating humidity 0 100 RH SUN2000 3KTL 10KTL M1 User Manual 10 Technical Specifications Is...

Страница 111: ...l Optimizer Configuration Technical Specificatio ns SUN2000 3 KTL M1 SUN2000 4 KTL M1 SUN2000 5 KTL M1 SUN2000 6 KTL M1 SUN2000 8 KTL M1 SUN2000 1 0KTL M1 Minimum optimizer number per string 6 Maximum optimizer number per string 50 Maximum DC power per string 10 000 W SUN2000 3KTL 10KTL M1 User Manual 10 Technical Specifications Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 104 ...

Страница 112: ...r grid 5 EN50438 CZ Czech power grid 6 RD1699 661 Spain LV power grid 7 EN50438 NL Netherlands power grid 8 C10 11 Belgium power grid 9 AS4777 Australia power grid 10 IEC61727 IEC 61727 LV grid tied power grid 50 Hz 11 Custom 50 Hz Reserved 12 Custom 60 Hz Reserved 13 TAI PEA Thailand grid tied standard power grid 14 TAI MEA Thailand grid tied standard power grid 15 EN50438 TR Turkey LV power grid...

Страница 113: ...UK G98 power grid 26 G99 TYPEA LV UK G99_TypeA_LV power grid 27 AS4777 WP Australia power grid 28 SINGAPORE Singapore LV power grid 29 HONGKONG Hong Kong LV power grid 30 EN50549 SE Sweden LV power grid 31 AS4777_ACT Australia power grid 32 AS4777_NSW_ESS Australia power grid 33 AS4777_NSW_AG Australia power grid 34 AS4777_QLD Australia power grid 35 AS4777_SA Australia power grid 36 AS4777_VIC Au...

Страница 114: ... Step 1 Access Device Commissioning screen Figure B 1 Method 1 before login not connected to the Internet SUN2000 3KTL 10KTL M1 User Manual B Device Commissioning Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 107 ...

Страница 115: ...he mobile phone and SUN2000 are in the WLAN coverage of the router and the SUN2000 is connected to the router The router supports WLAN IEEE 802 11 b g n 2 4 GHz and the WLAN signal reaches the SUN2000 The WPA WPA2 or WPA WPA2 encryption mode is recommended for routers Enterprise level encryption is not supported for example public hotspots requiring authentication such as airport WLAN WEP and WPA ...

Страница 116: ...itial password may cause password disclosure A password left unchanged for a long period of time may be stolen or cracked If a password is lost devices cannot be accessed In these cases the user is liable for any loss caused to the PV plant When you access the Device Commissioning screen of the SUN2000 for the first time you need to manually set the login password because the SUN2000 does not have...

Страница 117: ...ervals 3 Turn off the AC switch and set the DC switch to OFF Wait until all LED indicators on the SUN2000 panel are off 4 Turn on the AC switch and set the DC switch to ON Wait until all indicators on the solar inverter panel blink and turn off 30 seconds later Step 3 Reset the password within 10 minutes If no operation is performed within 10 minutes all inverter parameters remain unchanged 1 Wait...

Страница 118: ... configuration Router connection settings and set router parameters Figure C 2 Setting router parameters Setting management system parameters Log in to the FusionSolar app choose Device Commissioning Settings Communication configuration Management System Configuration and set management system parameters SUN2000 3KTL 10KTL M1 User Manual C Resetting Password Issue 02 2020 11 20 Copyright Huawei Te...

Страница 119: ... the FusionSolar app choose Device Commissioning Settings Communication configuration Inverter WLAN settings and reset the WLAN password Figure C 4 Resetting the WLAN password End SUN2000 3KTL 10KTL M1 User Manual C Resetting Password Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 112 ...

Страница 120: ...pid shutdown Method 1 To enable the rapid shutdown function you need to connect the access switch to pins 13 and 15 of the SUN2000 communications terminal The switch is closed by default The rapid shutdown is triggered when the switch changes from closed to open Method 2 Turn off the AC switch between the solar inverter and the power grid Method 3 Set the DC switch at the bottom of the SUN2000 to ...

Страница 121: ...ected and set the DC switch at the bottom of the solar inverter to OFF If the solar inverter connects to batteries wait for 1 minute and turn off the the battery switch and then the auxiliary power switch of the battery Step 2 Connect each PV string to the solar inverter and set the DC switch to ON If the solar inverter status is Shutdown Command choose Device Commissioning Maintenance Inverter ON...

Страница 122: ...ntage of the possible short circuit position is 34 the possible fault position is 4 76 14 x 34 indicating that the fault is located near PV module 4 including the previous and the next PV modules and the cables of PV module 4 The solar inverter has a detection precision of 1 PV module Figure E 2 Definition of the percentage of the short circuit position Step 4 Set the DC switch to OFF and check wh...

Страница 123: ...the position of the ground insulation fault 1 Disconnect the possible faulty PV module from the optimizer 2 Set the DC switch to OFF 3 Connect the possible faulty optimizer to the PV string 4 Set the DC switch to ON If the solar inverter status is Shutdown Command choose Device Commissioning Maintenance Inverter ON OFF on the app and send a startup command Check whether the Low Insulation Resistan...

Страница 124: ... L LED light emitting diode M MPP maximum power point MPPT maximum power point tracking P PV photovoltaic SUN2000 3KTL 10KTL M1 User Manual F Acronyms and Abbreviations Issue 02 2020 11 20 Copyright Huawei Technologies Co Ltd 117 ...

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