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SUN2000-(33KTL, 40KTL) 
User Manual 

5 Electrical Connections 

 

Issue 03 (2015-12-01) 

Huawei Proprietary and Confidential                                     

Copyright © Huawei Technologies Co., Ltd. 

51 

 

 

Ensure that the following conditions are met. Otherwise, the inverter will be damaged, or even 
a fire disaster will be caused. 

 

The maximum open-circuit voltage of each PV string must be always lower than or equal 
to 1000 V DC. 

 

The positive and negative terminals of PV modules must be connected to the positive and 
negative DC input terminals of the SUN2000 respectively. 

 

 

 

If the SUN2000 is directly connected to the power grid with the neutral wire connected to 
the PGND cable (for example, a low-voltage power grid or a power grid with the neutral 
wire grounded), do not ground the positive and negative terminals of PV strings. 
Otherwise, the SUN2000 will fail to work. 

 

During the installation of PV strings and SUN2000, the positive or negative terminals of 
PV strings may be grounded if power cables are not properly installed or routed. In this 
case, an AC or DC short circuit may occur and damage the SUN2000. 

 

 

The PV strings must meet the following requirements if they need to be grounded: 

 

Connect a three-phase isolation transformer on the output side, and ensure that the neutral 
wire of the isolation transformer is separate from the PGND cable. 

 

One isolation transformer must be installed only for one SUN2000. Do not connect two or 
more SUN2000s to the same isolation transformer. Otherwise, the SUN2000s may fail to 
work due to the loop current generated between them. 

 

Set 

Isolation

 to 

Input Grounded, With TF

 on the SUN2000 APP, SmartLogger, or NMS. 

Context 

 

DC terminal selection 

Figure 5-11

 shows the DC terminals at the bottom of the SUN2000. 

Table 5-2

 describes 

the requirements for DC terminal selection. 

Содержание SUN2000-33KTL

Страница 1: ...SUN2000 33KTL 40KTL User Manual Issue 03 Date 2015 12 01 HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ...e customer All or part of the products services and features described 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...

Страница 3: ... is intended for photovoltaic PV power station personnel and qualified electrical technicians Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Description Indicates an imminently hazardous situation which if not avoided will result in death or serious injury Indicates a potentially hazardous situation which if not avoided could result in death or seri...

Страница 4: ... injury equipment damage and environment deterioration Change History Changes between document issues are cumulative Therefore the latest document issue contains all updates made in previous issues Issue 03 2015 12 01 Added Max inverter backfeed current to the array to chapter 10 Technical Specifications Issue 02 2015 08 10 This issue is the second official release Issue 01 2015 02 10 This issue i...

Страница 5: ... 4 3 2 Moving the SUN2000 28 4 3 3 Installing a Rear Panel 29 4 3 4 Installing the SUN2000 33 4 4 Support mounting the SUN2000 37 4 4 1 Determining the Installation Position 37 4 4 2 Moving the SUN2000 40 4 4 3 Installing a Rear Panel 40 4 4 4 Installing the SUN2000 42 5 Electrical Connections 43 5 1 Connecting PGND Cables 43 5 2 Opening the Maintenance Compartment Door 45 5 3 Installing AC Output...

Страница 6: ...ations with a USB Flash Drive 68 7 1 1 Exporting Configurations 68 7 1 2 Importing Configurations 70 7 1 3 Exporting Data 71 7 1 4 Upgrading 72 7 2 Operations with a SmartLogger 73 7 3 Operations with the NMS 74 7 4 Operations with the SUN2000 APP 74 8 Maintenance 75 8 1 Routine Maintenance 75 8 2 Troubleshooting 76 9 SUN2000 Handling 82 9 1 Removing the SUN2000 82 9 2 SUN2000 Packing 82 9 3 SUN20...

Страница 7: ...formation Do not remove the anti dismantle label on the SUN2000 enclosure because it is the basis for product warranty Installation Read this document before installation Huawei shall not be liable for any consequence caused by violation of the regulations specified in this document Ensure that the SUN2000 is not connected to a power supply and is not powered on before starting installation Ensure...

Страница 8: ...fications Operation High voltage may cause electrical shock and death during operation Strictly comply with the safety precautions in this document and associated documents when operating the SUN2000 Do not touch parts of the SUN2000 because the enclosure and heat sinks are extremely hot when the SUN2000 is in operation and touching these parts can cause severe burns and personal injury Follow loc...

Страница 9: ...ietary and Confidential Copyright Huawei Technologies Co Ltd 3 Maintain the SUN2000 with sufficient knowledge of this document and proper tools and testing equipment When maintaining the SUN2000 comply with ESD precautions For personal safety wear insulation gloves and protective shoes ...

Страница 10: ...he power grid Models Figure 2 1 shows a model number of the SUN2000 33KTL 40KTL using SUN2000 33KTL as an example Figure 2 1 Model number description Table 2 1 lists all models of the SUN2000 33KTL 40KTL and their rated output power Table 2 1 SUN2000 models and rated output power Model Rated Output Power SUN2000 33KTL 30 kW SUN2000 40KTL 36 kW Network Application The SUN2000 33KTL 40KTL applies to...

Страница 11: ...igure 2 2 Figure 2 2 Network Application A PV string B SUN2000 33KTL 40KTL C ACDU D Isolation transformer E Power grid Supported Power Grids The SUN2000 33KTL supports the power grid modes TN S TN C TN C S and TT as shown in Figure 2 3 The SUN2000 40KTL only supports the power grid mode IT as shown in Figure 2 4 Figure 2 3 Power grids supported by the SUN2000 33KTL Figure 2 4 Power grid modes supp...

Страница 12: ...medium voltage power grids It delivers three phase three wire output and then is fed to a medium voltage power grid over a step up transformer 2 2 Appearance This section describes the appearance and specifications of the SUN2000 Dimensions Figure 2 5 shows the SUN2000 dimensions Figure 2 5 SUN2000 dimensions unit mm SUN2000 front view Figure 2 6 shows the SUN2000 front view ...

Страница 13: ...indicators from left to right Indicator Status Meaning PV connection indicator Steady green At least one PV string is properly connected and the DC voltage exceeds 200 V Off The SUN2000 is disconnected from all PV strings Grid tie indicator Steady green The SUN2000 is grid tied Off The SUN2000 is not grid tied Communication indicator Blinking green fast on for 0 5s and off for 0 5s RS485 or PLC co...

Страница 14: ...is in progress Blinking green fast on for 0 125s and off for 0 125s Local maintenance has failed Steady green Local maintenance is successful Local maintenance refers to operations performed after a USB flash drive or a Bluetooth module is inserted into the USB port of the inverter For example local maintenance includes data import and export using a USB flash drive and maintenance operations on t...

Страница 15: ...ew Issue 03 2015 12 01 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 9 Figure 2 7 SUN2000 rear view 1 Heat sink 2 Mounting bracket Bottom View Figure 2 8 shows the SUN2000 bottom view Figure 2 8 SUN2000 bottom view ...

Страница 16: ...na ANT Reserved WiFi port 10 RS485 port COM2 N A 2 3 Label Conventions This section describes the symbols and nameplate on the SUN2000 33KTL 40KTL Symbols Table 2 3 describes all symbols on the SUN2000 33KTL 40KTL Table 2 3 Symbols Symbol Label Meaning Delay discharge There are high voltages when this SUN2000 is running Only qualified and trained electrical technicians are allowed to perform opera...

Страница 17: ...not be removed when the SUN2000 is in operation Anti demolition Do not open the inverter panel SUN2000 ESN label SUN2000 manufacture information Nameplate The SUN2000 33KTL 40KTL is labeled with a nameplate that contains the model information technical specifications and compliance symbols If the SUN2000 only uses RS485 for communication the value of Communication on the nameplate is RS485 as show...

Страница 18: ...01 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 12 Figure 2 9 Nameplate RS485 communication 1 Trademark product name and model number 2 Important technical specifications 3 Compliance symbols 4 Company name and country of manufacture ...

Страница 19: ...pliance symbols 4 Company name and country of manufacture Table 2 4 describes the compliance symbols Table 2 4 Compliance symbols Symbol Name Meaning CQC certification mark The SUN2000 has been awarded the NB T 32004 certification by China Quality Certification Center CQC TUV Rheiland certification mark The SUN2000 complies with TUV Rheiland certification standards CE certification mark The SUN200...

Страница 20: ...escribes the SUN2000 working process Circuit Diagrams The SUN2000 33KTL 40KTL receives inputs from six PV strings Then the inputs are grouped into three MPPT routes inside the SUN2000 to track the maximum power point of the PV strings The DC power is then converted into three phase AC power through a converter circuit Surge protection is supported on both the DC and AC sides The SUN2000 40KTL has ...

Страница 21: ...nd Confidential Copyright Huawei Technologies Co Ltd 15 Figure 2 12 Circuit diagram for the SUN2000 40KTL Working Modes Figure 2 13 shows the conditions for the SUN2000 to switch between working modes Figure 2 13 Working modes Table 2 5 describes the working modes shown in Figure 2 13 ...

Страница 22: ...f it detects a shutdown command or a fault Operating In operating mode The SUN2000 converts DC power from PV strings into AC power and feeds the power to the power grid The SUN2000 tracks the maximum power point to maximize the PV string output The SUN2000 enters the shutdown mode if detecting a fault or a shutdown command and enters the standby mode if detecting that the PV string output power do...

Страница 23: ...ore the SUN2000 at a temperature range of 40 C to 70 C and with the relative humidity of 5 to 100 The SUN2000 should be stored in a clean and dry place and be protected from dust and water vapor corrosion A maximum of four layers of inverters can be stacked Conduct periodic inspection during storage Replace the packing materials immediately if any rodent bites are found Ensure that qualified perso...

Страница 24: ...arts are extremely hot during operation 4 1 Checking Before Installation Before unpacking check that the packing materials are intact After unpacking check that the deliverables are complete and intact Checking the Outer Packing Before unpacking the SUN2000 examine the outer packing for damage such as holes and cracks If any such damage is found do not unpack the SUN2000 and contact the dealer imm...

Страница 25: ...it φ14 mm and φ16 mm Drill bit Φ14 mm used for drilling holes in the support Drill bit Φ16 mm used for drilling holes in the wall Adjustable wrench With a length of 200 mm With an open end of 24 mm Secures bolts Torque screwdriver Flat head M6 Phillips head M6 M8 Secures screws to mechanical parts Socket wrench With an open end of 10 mm applicable to M6 or 13 mm applicable to M8 With a height of 1...

Страница 26: ...Tool Model Function Diagonal pliers N A Cuts cable ties Wire stripper N A Peels off cable jackets Rubber mallet N A Hammers expansion bolts into holes Guarded blade utility knife N A Removes packing materials Cable cutter N A Cuts power cables Crimping tool H4TC0001 Manufacturer AMPHENOL Crimps metal terminals during DC input cable preparation ...

Страница 27: ... 21 Tool Model Function RJ45 crimping tool N A Prepares RJ45 connectors for communications cables Removal tool H4TW0001 Manufacturer AMPHENOL Removes DC connectors from the SUN2000 Vacuum cleaner N A Cleans up dusts after drilling holes Multimeter N A Measures voltage Marker Diameter 10 mm Marks signs Measuring tape N A Measures distances ...

Страница 28: ... 22 Tool Model Function Level N A Checks the levelness of the rear panel ESD gloves N A Protects operators during installation Safety goggles N A Protect operators when drilling holes Anti dust respirator N A Protects operators during hole drilling Hydraulic pliers N A Crimps OT terminals Heat shrink tubing N A Insulates electrical devices ...

Страница 29: ...ils see 10 Technical Specifications Do not install the SUN2000 in a place where personnel are likely to come into contact with its enclosure and heat sinks because these parts are extremely hot during operation Do not install the SUN2000 in an area that stores flammable or explosive materials Installation Environment Requirements The ambient temperature must be below 50 C which ensures optimal SUN...

Страница 30: ...led must be fire proof Do not install the SUN2000 on flammable building materials The wall must be solid enough to bear the weight of the SUN2000 Do not install the SUN2000 on a wall made of gypsum boards or similar materials with weak sound insulation to avoid noise disturbance in a residential area Installation Mode Requirements Install the SUN2000 upright or at a maximum back tilt of 15 degrees...

Страница 31: ...l the SUN2000 at a front tilt excessive back tilt or side tilt horizontally or upside down Figure 4 3 Incorrect installation modes Installation Space Requirements It is recommended that the SUN2000 be installed at eye level to facilitate operation and maintenance Reserve enough clearance around the SUN2000 to ensure sufficient space for installation and heat dissipation as shown in Figure 4 4 ...

Страница 32: ...technical support engineers When installing multiple SUN2000s install them along the same line as shown in Figure 4 5 if sufficient space is available and install them in triangle mode as shown in Figure 4 6 or in stacked mode as shown in Figure 4 7 if no sufficient space is available The installation modes ensure sufficient space for installation and heat dissipation Figure 4 5 Horizontal install...

Страница 33: ...33KTL 40KTL User Manual 4 Installation Issue 03 2015 12 01 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 27 Figure 4 6 Triangle installation mode if the space is insufficient unit mm ...

Страница 34: ...lation mode if the space is insufficient unit mm The clearance between multiple SUN2000s must be increased to ensure proper heat dissipation when they are installed in a hot area 4 3 2 Moving the SUN2000 Move the SUN2000 to the installation position horizontally Procedure Step 1 Arrange two people to hold the handles on both sides of the SUN2000 as shown in Figure 4 8 ...

Страница 35: ... moving the SUN2000 which is heavy Do not place the SUN2000 with its wiring terminals contacting the floor because the power ports and signal ports at the bottom of the device are not designed to support the weight of the SUN2000 Place the SUN2000 horizontally When placing the SUN2000 on the floor put foam or paper under the SUN2000 to protect its enclosure End 4 3 3 Installing a Rear Panel Before...

Страница 36: ...3KTL you can use the expansion bolts delivered with the SUN2000 to install the rear panel When installing the SUN2000 40KTL you need to prepare the expansion bolts M12x60 stainless expansion bolts are recommended Procedure Step 1 Determine the positions for drilling holes as shown in Figure 4 10 using the rear panel available in the packing case level the hole positions using a level and mark the ...

Страница 37: ...ei Technologies Co Ltd 31 Figure 4 10 Determining hole positions Step 2 Drill holes using a hammer drill and install expansion bolts as shown in Figure 4 12 An expansion bolt is composed of four parts as shown in Figure 4 11 Figure 4 11 Expansion bolt composition 1 Expansion sleeve 2 Flat washer 3 Spring washer 4 Bolt ...

Страница 38: ...n to a depth of 52 60 mm using a hammer drill with a Ф16 mm bit 2 Partially tighten an expansion bolt vertically insert it into the hole and knock the expansion bolt completely into the hole using a rubber mallet 3 Remove the bolt spring washer and flat washer by rotating them counterclockwise Level the front of the expansion sleeve with the concrete wall after removing the bolt spring washer and ...

Страница 39: ...UN2000 Procedure Step 1 If the installation position is low and you can mount the SUN2000 on the rear panel go to Step 6 after performing Step 4 Step 2 If the installation position is high and you cannot mount the SUN2000 on the rear panel perform Step 3 to Step 7 Step 3 Mount the M10 screw lifting eyes provided by the customer into the lifting holes and tighten the lifting eyes as shown in Figure...

Страница 40: ... the bottom of the SUN2000 with one hand and hold the handle near the top of the SUN2000 with the other hand and then stand the SUN2000 as shown in Figure 4 15 To prevent personal injury caused by a falling SUN2000 keep balance when lifting the SUN2000 because it is heavy Figure 4 15 Lifting the SUN2000 Step 5 Route a rope that is able to bear the SUN2000 through the lifting eyes and hoist the SUN...

Страница 41: ...fidential Copyright Huawei Technologies Co Ltd 35 When hoisting the SUN2000 keep balance to protect the SUN2000 from colliding with the wall or other objects Figure 4 16 Hoisting the SUN2000 Step 6 Mount the SUN2000 on the rear panel and keep them aligned with each other as shown in Figure 4 17 ...

Страница 42: ...6 Figure 4 17 Mounting the SUN2000 on the rear panel Step 7 Tighten the two hexagon screws at the bottom of the SUN2000 to a torque of 5 N m as shown in Figure 4 18 Figure 4 18 Tightening hexagon screws Step 8 Optional Install an antitheft lock as shown in Figure 4 19 The antitheft lock secures the SUN2000 to the rear panel to prevent theft ...

Страница 43: ...tall the SUN2000 in a place where personnel are likely to come into contact with its enclosure and heat sinks because these parts are extremely hot during operation Do not install the SUN2000 in an area that stores flammable or explosive materials Installation Environment Requirements The ambient temperature must be below 50 C which ensures optimal SUN2000 operation and extends the SUN2000 s servi...

Страница 44: ...alled must be fire proof Do not install the SUN2000 on flammable building materials The wall must be solid enough to bear the weight of the SUN2000 Installation Mode Requirements Install the SUN2000 upright or at a maximum front or back tilt of 15 degrees to facilitate heat dissipation Figure 4 21 Correct installation modes Do not install the SUN2000 at an excessive front or back tilt at a side ti...

Страница 45: ...Figure 4 22 Incorrect installation modes Installation Space Requirements It is recommended that the SUN2000 be installed at eye level to facilitate operation and maintenance Reserve enough clearance around the SUN2000 to ensure sufficient space for installation and heat dissipation as shown in Figure 4 23 Figure 4 23 Installation space unit mm ...

Страница 46: ...lling a Rear Panel Before installing the SUN2000 secure the shipped rear panel to a support Prerequisites Figure 4 24 shows the dimensions of the rear panel Figure 4 24 Dimensions of the rear panel unit mm Procedure Step 1 Determine the positions for drilling holes as shown in Figure 4 25 using the rear panel available in the packing case level the hole positions using a level and mark the hole po...

Страница 47: ... holes using a hammer drill as shown in Figure 4 26 Figure 4 26 Drilling holes unit mm Step 3 Align the rear panel with the hole positions insert M12x40 bolts expansion bolts without expansion sleeves into the holes through the rear panel secure them using the shipped stainless steel nuts and flat washers and tighten the bolts to a torque of 45 N m using a torque wrench as shown in Figure 4 27 ...

Страница 48: ...anual 4 Installation Issue 03 2015 12 01 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 42 Figure 4 27 Securing a rear panel End 4 4 4 Installing the SUN2000 For details see 4 3 4 Installing the SUN2000 ...

Страница 49: ...ct cables in accordance with local cable specifications yellow green wires are only used for grounding 5 1 Connecting PGND Cables Connect the SUN2000 to a ground bar over a protection ground PGND cable for grounding purposes Prerequisites The ground cable and OT terminals have been prepared Ground cable outdoor copper core cables with a cross sectional area of 8 mm2 or 8 AWG or more are recommende...

Страница 50: ...ength of the insulation layer from the PGND cable using a wire stripper as shown in Figure 5 1 Figure 5 1 Stripped length unit mm Step 2 Insert the exposed core wires into the crimping area of the OT terminal and crimp them using hydraulic pliers as shown in Figure 5 2 Figure 5 2 Crimping a cable unit mm The crimping must result in full containment of the cable conductors and complete contact betw...

Страница 51: ...e PGND cable End 5 2 Opening the Maintenance Compartment Door Prerequisites Do not open the inverter panel Before opening the maintenance compartment door ensure that the AC and DC power supplies are disconnected For processes of disconnecting the power supplies see 6 2 Powering Off the SUN2000 Do not leave unused screws in the chassis Procedure Step 1 Loosen the two screws on the maintenance comp...

Страница 52: ...ews on the maintenance compartment door are lost use the standby screws available in the fitting bag that is bound to the reinforcing rib at the base of the chassis Step 2 Open the maintenance compartment door and install a support bar as shown in Figure 5 5 The support bar is located in the fitting bag bound to the reinforcing rib at the base of the chassis Figure 5 5 Installing a support bar ...

Страница 53: ...gle circuit breaker for several SUN2000s Do not connect loads between the SUN2000 and circuit breaker Context Outdoor copper core cables are recommended Table 5 1 describes the specifications Table 5 1 AC output cable specifications Inverter Model Cable Type Cross sectional Area mm2 Cable Outer Diameter mm Range Recomme nded Value Range Recomm ended Value SUN2000 33KT L 4 core outdoor cable L1 L2 ...

Страница 54: ...cover as shown in Figure 5 6 Figure 5 6 Removing theAC terminal cover To highlight the involved area the figure does not show the open maintenance compartment door Step 2 Remove an appropriate length of the jacket and insulation layer from the AC output cable using a wire stripper Figure 5 7 Stripped length for the SUN2000 33KTL unit mm Figure 5 8 Stripped length for the SUN2000 40KTL unit mm ...

Страница 55: ... the inverter bottom and remove the plug from the locking cap Step 6 Route the AC output power cable into the locking cap and the AC OUTPUT connector at the inverter bottom Step 7 Connect the wires of the AC output cable for the SUN2000 33KTL to L1 L2 L3 and N on the AC terminal block as shown in Figure 5 9 The required torque is 4 N m Connect the wires of the AC output cable for the SUN2000 40KTL...

Страница 56: ...sites PV modules generate electric energy when exposed to sunlight and can create an electrical shock hazard Therefore when connecting DC input power cables shield the PV modules with opaque cloth Before connecting DC input power cables ensure that the voltage on the DC side is within the safe range lower than 60 V DC and that the DC SWITCH on the SUN2000 is OFF Otherwise high voltage may result i...

Страница 57: ...Otherwise the SUN2000 will fail to work During the installation of PV strings and SUN2000 the positive or negative terminals of PV strings may be grounded if power cables are not properly installed or routed In this case an AC or DC short circuit may occur and damage the SUN2000 The PV strings must meet the following requirements if they need to be grounded Connect a three phase isolation transfor...

Страница 58: ...onnected to routes 1 2 3 and 5 5 Connected to routes 1 2 3 4 and 5 6 Connected to routes 1 2 3 4 5 and 6 DC input cable specifications Table 5 3 lists the recommended DC input cable specifications Table 5 3 Recommended DC input cable specifications Cable Type Cross sectional Area mm2 Cable Outer Diameter mm Range Recommended Value Common PV cables in the industry model PV1 F 4 0 6 0 or 12 10 AWG 4...

Страница 59: ...ector composition 1 Insulation housing 2 Locking nut Figure 5 13 Negative connector composition 1 Insulation housing 2 Locking nut Positive and negative metal terminals are packed with positive and negative connectors respectively After unpacking keep the positive and negative ones separate to avoid confusion Procedure Step 1 Remove an appropriate length of the insulation layer from the positive a...

Страница 60: ...etal terminals of the positive and negative connectors respectively and crimp them using a crimping tool as shown in Figure 5 15 Ensure that the cables are crimped tightly such that they cannot be pulled out by a force less than 400 N Figure 5 15 Crimping a metal terminal Step 3 Insert the crimped positive and negative power cables into the corresponding positive and negative connectors until a cl...

Страница 61: ...removal wrench as shown in Figure 5 17 Figure 5 17 Locking a nut Step 5 Pull out the blue dustproof plugs from the ends of the DC input connectors Before performing Step 6 measure the voltage of the DC input strings using a multimeter Ensure that the voltage of each string is within the specified range the voltage range varies depending on the actual situation and check that the polarities of the ...

Страница 62: ...s are in position the clearance between the DC terminals and connectors should be less than or equal to 0 8 mm and the DC input cables cannot be pulled out End Follow up Procedure To remove the positive and negative connectors from the SUN2000 insert a removal wrench into the bayonet and press the wrench with an appropriate force as shown in Figure 5 19 Before removing the positive and negative co...

Страница 63: ...gger to implement communication You can use the SmartLogger LCD embedded WebUI or the network management software such as the NetEco on the PC to query information about the SUN2000 33KTL 40KTL such as electric energy yield alarms and running status Figure 5 20 shows the communication mode for a single SUN2000 33KTL 40KTL Figure 5 20 Communication mode for a single SUN2000 Figure 5 21 shows the co...

Страница 64: ... loads communication signals onto power cables for transmission For details about how to install the PLC see the PLC CCO01A User Manual The built in PLC module in the SUN2000 does not need to be connected with cables 5 5 2 Selecting a Communication Mode Communication modes for the inverters with PLC and those without PLC are different Select an appropriate communication mode based on the actual si...

Страница 65: ...able with a diameter less than 9 mm and internal resistance no greater than 1 5 ohms 10 m Select either connection mode during installation Connecting to a terminal block is recommended When routing communications cables ensure that communications cables are separated from power cables and away from interfering source to prevent communication from being affected RS485 terminal block definitions Fi...

Страница 66: ...gnal 5 RS485B RS485 differential signal 6 PGND 7 PGND 8 PGND Procedure Method 1 Connecting to the Terminal Block Recommended a Remove an appropriate length of the insulation layer from the cable using a wire stripper as shown in Figure 5 24 Figure 5 24 Stripping an RS485 communications cable unit mm b Remove the locking caps from the COM1 and COM2 waterproof cable connectors at the inverter bottom...

Страница 67: ...nd to terminals 6 and 8 on the terminal block as shown in Figure 5 25 Figure 5 25 Connecting RS485 communications cables e Bind the communications cables after connecting them as shown in Figure 5 26 Figure 5 26 Binding communications cables f Use a torque wrench to tighten the locking caps to a torque of 7 5 N m Method 2 Connecting to RJ45 Ports a Insert the wires of the network cable to the RJ45...

Страница 68: ... locking cap from the COM1 waterproof cable connector at the inverter bottom and remove the plugs from the locking cap d Route the cables through the locking cap and the COM1 connector at the inverter bottom e Connect the RJ45 connectors to the RS485 IN and RS485 OUT ports in the SUN2000 maintenance area as shown in Figure 5 28 Figure 5 28 Connecting RS485 communications cables f Bind the communic...

Страница 69: ...l screws especially the screws used for electrical connections are tightened 3 Ground cables are connected correctly and securely with no open circuit or short circuit 4 AC output power cables are connected correctly and securely with no open circuit or short circuit 5 DC input power cables are connected correctly and securely with no open circuit or short circuit 6 The DC input voltage is not hig...

Страница 70: ...the Maintenance Compartment Door Procedure Step 1 Install the AC terminal cover as shown in Figure 5 30 Figure 5 30 Installing the AC terminal cover Step 2 Remove the support bar as shown in Figure 5 31 Figure 5 31 Removing a support bar Step 3 Close the maintenance compartment door and tighten the two screws on the door to a torque of 4 N m as shown in Figure 5 32 ...

Страница 71: ...rietary and Confidential Copyright Huawei Technologies Co Ltd 65 Figure 5 32 Tightening screws on the door If the two screws on the maintenance compartment door are lost use the standby screws available in the fitting bag that is bound to the reinforcing rib at the base of the chassis End ...

Страница 72: ...down You can start the SUN2000 only after the fault is automatically rectified The default clearance time is 1 minute You can modify the time over the network management software running on a PC connected to the SUN2000 Step 2 Set the DC SWITCH at the bottom of the SUN2000 to ON Step 3 Optional Measure the temperature at the DC terminal connection point using a point test thermometer Check whether...

Страница 73: ... may still cause electrical shock and body burns Therefore only begin servicing the SUN2000 five minutes after the power off Procedure Step 1 Run a shutdown command on the SUN2000 APP SmartLogger or NMS For details see SUN2000 APP User Manual SmartLogger1000 User Manual or NetEco 1000S User Manual Step 2 Switch off the circuit breaker between the SUN2000 and the power grid Step 3 Set the DC SWITCH...

Страница 74: ...gurations through a USB flash drive Context USB flash drives of SanDisk Netac and Kingston are recommended Other brands may be incompatible Procedure Step 1 On the SUN2000 local commissioning tool click Inverter Command Settings to generate a boot script file For details see SUN2000 APP User Manual Step 2 Import the boot script file to a computer Optional The boot script file can be opened as a tx...

Страница 75: ...ve Step 4 Connect the USB flash drive to the USB port The system automatically identifies the USB flash drive and executes all commands specified in the boot script file View the LED indicator to determine the operating status Verify that the ciphertext in the boot script file matches the login password of the SUN2000 APP Otherwise after you insert the USB flash drive for five consecutive times th...

Страница 76: ...ter Command Settings to generate a boot script file For details see SUN2000 APP User Manual Step 2 Import the boot script file to a computer Step 3 Replace the exported boot script file in the root directory of the USB flash drive with the imported one Replace the boot script file and keep the exported files Step 4 Connect the USB flash drive to the USB port The system automatically identifies the...

Страница 77: ... Inverter Command Settings to generate a boot script file For details see SUN2000 APP User Manual Step 2 Import the boot script file to the root directory of a USB flash drive Step 3 Connect the USB flash drive to the USB port The system automatically identifies the USB flash drive and executes all commands specified in the boot script file View the LED indicator to determine the operating status ...

Страница 78: ...R001C90SPCXXX on the Software tab page Step 2 Decompress the upgrade package After obtaining the upgrade package SUN2000V200R001C90SPCXXX_package zip decompress the package and copy the extracted files to the root directory of the USB flash drive Ensure that the extracted files include SUN2000 bin SUN2000_CPLD bin SUN2000_Master_Release bin SUN2000_Slave_Release bin sun_lmt_mgr_cmd emap This is a ...

Страница 79: ...consecutive times the user account will be locked for 10 minutes Table 7 4 Indicator status Indicator Status Meaning Off There is no operation with a USB flash drive Blinking green slowly on for 1s and then off for 1s There is an operation with a USB flash drive Blinking green fast on for 0 125s and off for 0 125s An operation with a USB flash drive has failed Steady green An operation with a USB ...

Страница 80: ...2 01 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 74 7 3 Operations with the NMS For operations with the NMS see NetEco 1000S User Manual 7 4 Operations with the SUN2000 APP For operations with the SUN2000 APP see SUN2000 APP User Manual ...

Страница 81: ...eck for normal sound emitted during operation of the SUN2000 Check that all SUN2000 parameter settings are correctly set during operation Semiannually Electrical Connections Check that cables are securely connected Check that cables are intact and the parts in contact with a metallic surface are not scratched Check that the idle COM and USB ports are covered by waterproof caps Half a year after th...

Страница 82: ... the PV strings greater than the maximum input voltage of the SUN2000 Check whether a large number of PV modules connected in series makes the open circuit voltage of the PV strings greater than the maximum input voltage of the SUN2000 If yes adjust the number of PV modules connected in series to decrease the output voltage of PV strings to meet the voltage requirements for the SUN2000 After the a...

Страница 83: ... suddenly disconnected or the PV strings shielded result in a sharp change in output power Reason ID 9 or 11 The input energy of the SUN2000 cannot be vented quickly due to the sharp change of grid voltage As a result the internal voltage increases Reason ID 10 The internal control circuit of the SUN2000 has failed to keep pace with changes due to grid phase imbalance 1 The SUN2000 monitors its ex...

Страница 84: ...ck circuit of the SUN2000 Reason ID 14 The grid voltage sharply drops or short circuits resulting in instantaneous high output current of the SUN2000 Reason ID 16 The DC current of grid current exceeds the allowable range Reason ID 17 The grid voltage or frequency is abnormal Reason ID 20 The SUN2000 output short circuit leads to a sharp increase in output current Reason ID 4 13 14 16 or 17 1 The ...

Страница 85: ...ly check whether the grid voltage is within the allowable range If no contact the local power operator If yes change the grid overvoltage and undervoltage protection points on the SUN2000 APP data collector or NMS after obtaining approval from the local power operator 3 If the alarm persists for a long time check the AC circuit breaker and output cables of the SUN2000 Reason ID 13 to 18 or 26 1 Ch...

Страница 86: ...between PV strings and protection ground PV strings are installed in a permanently moist environment 1 Check the insulation resistance against the ground for the PV strings If a short circuit has occurred rectify the fault 2 If the insulation resistance against the ground is less than the default value in a rainy environment set Insulation resistance protection on the SUN2000 APP data collector or...

Страница 87: ...nal Communic ation Fault Minor The communication circuit of the SUN2000 is disturbed The communication circuit is damaged The internal communication address is incorrectly set 1 If the fault is caused by a short circuit of the communication circuit inside the SUN2000 the SUN2000 automatically recovers to the normal operating status after the fault is rectified 2 If the fault persists for a long ti...

Страница 88: ... the anti theft lock at the bottom of the SUN2000 3 Remove the SUN2000 from the rear panel 4 Remove the rear panel 9 2 SUN2000 Packing This section describes how to pack the SUN2000 If the original packing case is available place the SUN2000 inside the packing case and seal it with adhesive tape If the original packing case is unavailable place the SUN2000 inside a suitable hard carton and seal it...

Страница 89: ... 98 8 European efficiency 98 3 98 4 Input Technical Specifications SUN2000 33KTL SUN2000 40KTL Max input power cos φ 1 33800 W 40800 W Max input voltage 1000 V Max input current per MPPT route 23 A Max short circuit current per MPPT route 34 5 A Max input current three MPPT routes 3 x 23 A Max inverter backfeed current to the array 0 A Min starting voltage 200 V Full load MPP voltage range 480 V t...

Страница 90: ... V 480 V 3W PE AC power frequency 50 Hz 60 Hz Max output current 48 A Power factor 0 8 lagging 0 8 leading Max total harmonic distortion 3 Note a The maximum output power of the SUN2000 33KTL varies depending on the chosen grid code as described in A Power Grid Codes Protection Technical Specifications SUN2000 33KTL SUN2000 40KTL Input DC switch Supported Anti islanding protection Supported Output...

Страница 91: ...mmunication Technical Specifications SUN2000 33KTL SUN2000 40KTL RS485 Supported USB Supported PLC Optional General Data Technical Specifications SUN2000 33KTL SUN2000 40KTL Dimensions W x H x D 550 mm x 770 mm x 270 mm Weight 50 kg Operating temperature range 25 C to 60 C Cooling Natural convection Operating altitude 4000 m Relative humidity 0 100 non condensing Input terminal Amphenol HH4 Output...

Страница 92: ...ietary and Confidential Copyright Huawei Technologies Co Ltd 86 Standards Compliance Technical Specifications SUN2000 33KTL SUN2000 40KTL Certification compliance VDE AR N4105 VDE0126 1 1 BDEW 2008 G59 3 NB T 32004 2013 UTE C 15 712 1 C10 11 IEC 61727 IEC 62116 EN 50438 MEA PEA GB T 19964 2012 ...

Страница 93: ...age power grid 230 V 400 V 30 kW 2 BDEW MV Germany medium voltage power grid 230 V 400 V 30 kW 3 NB T 32004 China low voltage power grid 220 V 380 V 33 kW 4 EN50438 NL Netherlands low voltage power grid 230 V 400 V 30 kW 5 UTE C 15 712 1 A France low voltage power grid 230 V 400 V 30 kW 6 UTE C 15 712 1 B Islands of France 230 V 50 Hz 230 V 400 V 30 kW 7 UTE C 15 712 1 C Islands of France 230 V 60...

Страница 94: ...17 AS4777 Australia low voltage power grid 230 V 400 V 30 kW 18 C10 11 Belgium low voltage power grid 230 V 400 V 30 kW 19 IEC61727 IEC low voltage power grid 50 Hz 230 V 400 V 30 kW 20 TAI PEA Thailand low voltage power grid PEA 220 V 380 V 30 kW 21 TAI MEA Thailand low voltage power grid MEA 230 V 400 V 30 kW 22 EN50438 TR Turkey low voltage power grid 230 V 400 V 30 kW 23 Philippines Philippine...

Страница 95: ...5 712 1 MV480 France medium voltage power grid 277 V 480 V 40 kW 6 TAI PEA MV480 Thailand medium voltage power grid PEA 277 V 480 V 40 kW 7 TAI MEA MV480 Thailand medium voltage power grid MEA 277 V 480 V 40 kW 8 EN50438 DK MV 480 Denmark medium voltage power grid 277 V 480 V 40 kW 9 Japan 50Hz Japan power grid 50 Hz 277 V 480 V 40 kW 10 Japan 50Hz Japan power grid 60 Hz 277 V 480 V 40 kW 11 EN504...

Страница 96: ...dential Copyright Huawei Technologies Co Ltd 90 N o Power Grid Code Description Rated Power Grid Voltage Maximum Output Power 16 IEC61727 60Hz M V480 IEC medium voltage power grid 60 Hz 277 V 480 V 40 kW 17 Custom MV480 50 Hz Reserved 277 V 480 V 40 kW 18 Custom MV480 60 Hz Reserved 277 V 480 V 40 kW ...

Страница 97: ...viations A ACDU AC distribution unit C CCO central controller E EMC electromagnetic compatibility EMI electromagnetic interference EMS element management system ESN equipment serial number ESD electrostatic discharge L LCD liquid crystal display LED light emitting diode M MPP maximum power point MPPT maximum power point tracking P PE protective earthing PGND protection ground ...

Страница 98: ...0KTL User Manual B Acronyms and Abbreviations Issue 03 2015 12 01 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 92 PLC power line communication PV photovoltaic S SPD surge protective device ...

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