Page 1 AC Switching Cabinet X3-PCAB-750kW-A X3-PCAB-750kW-B User Manual Version 1.0 www.solaxpower.com eManual in the QR code or at http://kb.solaxpower.com/...
Page 3 The images included in this document are solely for illustrative purposes and may differ based on the specific product models. For more detailed information, kindly visit the website of SolaX Power Network Technology (Zhejiang) Co., Ltd. at www.solaxpower.com. SolaX retains all rights for the final explanation.
Page 4: About This Manual
Please read it carefully before operating. This manual is valid for the following system models: • X3-PCAB-750kW-A • X3-PCAB-750kW-B Model description X3-PCAB-750kW-A is used for example. X3-PCAB-750kW-A Definition Description Grid type X3: Applicable to three-phase system Product series PCAB: Parallel cabinet...
Page 5: Target Group
Target Group The installation, maintenance and grid-related setting can only be performed by qualified personnel who: • Are licensed and/or satisfy state and local regulations. • Have good knowledge of this manual and other related documents. • A medium-voltage operator is required to obtain any Certifications for High-voltage Electrician.
Page 6: Table Of Contents
Table of Contents Safety ......................1 1.1 General Safety ........................1 1.2 Device Safety........................2 1.3 Electrical Safety ........................3 Product Overview ..................6 2.1 Product Introduction ......................6 2.1.1 Functions and Features ..................6 2.1.2 Dimensions ......................7 2.1.3 Appearance ......................8 2.1.4 Parts Description ....................12 2.1.5 LED Indicator ......................18 2.1.6 Symbols ........................19 2.2 System Overview .......................20...
Page 7 Preparing PE cables .....................58 7.1.2 Preparing Power Cables ..................59 7.2 Grounding Connection ....................62 7.3 Grid Connection ........................63 7.4 Load Connection .......................66 7.5 PCS Connection (X3-PCAB-750kW-A) ................68 7.6 ESS Connection (X3-PCAB-750kW-B) .................73 7.7 Communication Connection..................79 7.7.1 Grid-connected Meter Connection..............79 7.7.2 Control Board Connection ................81 7.7.3...
Page 8 12.2.2 System Wiring Diagram ..................118 12.2.3 Electrical Connection with Generator ............122 12.3 Requirements for OT/DT/TO Terminal ................125 12.4 How to Repaint the Cabinet ...................127 12.4.1 Light Scratches & Small Areas of Stubborn Stains ........127 12.4.2 Deep Scratches and Large Areas of Stubborn Stains.........129 12.4.3 Logo &...
Page 9: Safety
Safety General Safety Before transporting, storing, installing, operating, using and/or maintaining the device, please carefully read and understand the document, and strictly follow the instructions and safety precautions given herein, as well as symbols affixed on the device. The safety instructions herein are only supplements to local laws and regulations.
Page 10: Device Safety
Safety Device Safety To prevent personal injury or property damage from improper operation, please carefully read the following installation precautions before installation. DANGER! • According to the local laws and regulations related to high-altitude work, operators must wear PPE, e.g., a helmet, safety belt, or waist harness, when they work at heights, while the other end of the harness must connect to a secure structure to prevent fall incidents.
Page 11: Electrical Safety
Safety NOTICE! • The signs and messages on the labels and nameplates attached to the device need to be visible and clear. Electrical Safety DANGER! • Please make sure that the unit is free from any damage before the electrical connection.
Page 12 Safety NOTICE! • Please operate according to the safety code for power station. • Before installation, it is necessary to set up temporary safety fences or warning lines and hang warning signs in the operation area, to prohibit non-staff from entering here.
Page 13 Safety NOTICE! Cable Requirements: • When deciding the wire diameter, and connecting or wiring cables, follow the local laws, regulations, and codes to ensure safety. • When external conditions (e.g., placement method, ambient temperature, etc.) change, the cable type must be verified according to IEC-60364-5-52 or local laws, regulations and standards.
Page 14: Product Overview
200 ms. The cabinet can also be connected to external devices such as PV inverters and diesel generator to establish micro-grid systems. X3-PCAB-750kW-A is embedded with a combiner breaker and can be directly connected to PCS, while X3-PCAB-750kW-B does not have a combiner breaker, and should be connected to isolation transformer or ESS.
Page 15: Dimensions
Product Overview 2.1.2 Dimensions Fork position Angle support Unit: mm Plan view 1200 1050 77.5 1390 Rear view Front view Left view Figure 2-1 Appearance and dimension...
Page 16: Appearance
Product Overview 2.1.3 Appearance Figure 2-2 Exterior parts (cabinet door closed) Table 2-1 Parts description (1) Item Description Eye bolt To hoist the cabinet Indicator To display the operation status of the system Emergency stop button To shut down the system in emergency circumstances Front door lock Reserved antenna port To connect to the wireless meter.
Page 17 Product Overview Front door Front view Figure 2-3 Interior parts in the front view (cabinet door open) Table 2-2 Parts description (2) No. Item Description File pocket To store documents Mesh filter Terminal block For wiring of internal components DIN rail power Converts 230 a.c V power into 24 d.c V power supply Switch...
Page 18 To connect to the grid PE bar To connect to PE cables for grounding protection NOTICE! • The cabinet rear of X3-PCAB-750kW-A and X3-PCAB-750kW-B are different. • X3-PCAB-750kW-A Rear view Rear door Figure 2-4 Interior parts in the rear view (cabinet door open) (1)
Page 19 Product Overview Table 2-3 Parts description (3) Item Description To improve air circulation in the cabinet and dissipate heat XT6 terminal block EMS adapter terminal block XT7 terminal block Control board adapter terminal block PCS breaker To control the connection of PCS Busbar To connect to the PCS PE bar...
Page 20: Parts Description
Product Overview Table 2-4 Parts description (4) Item Description To improve air circulation in the cabinet and dissipate heat Busbar To connect to ESS XT6 terminal block EMS adapter terminal block XT7 terminal block Control board adapter terminal block PE bar To connect to the PE wires for grounding protection Ethernet port To connect the system to network...
Page 21 Product Overview Table 2-5 Grid description (3) Item Description Reset button To reset the breaker Communication transmission, reception, fault, Operation status indicator and alarm indicators Disconnection button Connection button Voltage indicator N, L1, L2 and L3 phase voltage indicator Display screen Displays the current of the three phases Unbalance rate, current, time, and I2t (inverse Parameter indicator...
Page 22 Product Overview 2.1.4.2 Control Board Top view Front view Bottom view Figure 2-7 Control board appearance Table 2-6 Terminal definition of control board No. Item Description Grounding port Connected to the ground for protection AELIO To differentiate the control program of AELIO system CT terminal Connect to CT for data collection Inverter terminal...
Page 23 Product Overview No. Item Description To receive the signal on the open and closed status of the breaker DI terminal Reserved Communication terminals for AELIO system and meter in the RS485 terminal switching cabinet Parallel connection Communication terminal for TRENE system terminal CAN terminal Reserved...
Page 24 Product Overview Table 2-7 Terminal description of EMS1000 PRO Position Area Item Description • NET1: Connected to sub devices such as EMS1000 and AC switching cabinet Ethernet terminal • NET2: Connected to master EMS1000 PRO (NET) NET3: Reserved • NET4: Connected to the router for network LVDS terminal Reserved Debug terminal...
Page 25 Product Overview 2.1.4.4 Environmental Monitoring System The parts for environment monitoring are embedded in the cabinet. Item Description Figure Temperature and To monitor the temperature humidity sensor and humidity in the cabinet To detect the presence of Water sensor water in the cabinet Door sensor To monitor the door status Temperature...
Page 26: Led Indicator
Product Overview 2.1.5 LED Indicator Figure 2-9 Cabinet indicators Table 2-8 Indicator description Indicator Status Description Solid green Normal running Alarm Solid red System exception Solid green On-gird running Grid Off-grid running...
Page 27: Symbols
Product Overview 2.1.6 Symbols Table 2-9 Symbol description Symbol Description CE mark of conformity TUV certification Protective grounding point Grounding point Caution, hot surface. The enclosure temperature may be high while running. Therefore, do not contact to avoid scalding. Danger, electric shock. Do not touch the device after it is powered on.
Page 28: System Overview
System Overview 2.2.1 Electrical Schematic Diagram The Electrical Schematic Diagram label is pasted on the middle of the front cabinet door. X3-PCAB-750kW-A System Schematic Diagram AC Auxiliary Power Supply Schematic Diagram Front door Figure 2-10 Position and content of the label (1)
Page 29 Product Overview X3-PCAB-750kW-B System Schematic Diagram AC Auxiliary Power Supply Schematic Diagram Front door Figure 2-11 Position and content of the label (2) NOTICE! Requirements for load: • The rated capacity of the load should not exceed 2/3 of the PCS rated capacity. •...
Page 30: Working Mode
EMS to work on-gird, it connects the on/ off-grid switch, and send commands to PCS for it to work on-gird. 2.2.3 Typical Application Scenarios X3-PCAB-750kW-A Table 2-10 Maximum number of energy storage cabinets for parallel connection Model Max. Number of cabinets TRENE system series...
Page 31 Max. Number of cabinets 100kW PCS: 7 TRENE system series 125kW PCS: 6 AELIO system series TRENE-P100B215I X3-PCAB-750kW-A • TRENE system NOTICE! • TRENE system series except for TRENE-P100B215I is used for illustration for the system overview diagram. SolaXCloud 1#TRENE...
Page 32 Product Overview • AELIO system SolaXCloud PV module 1#AELIO Meter PCAB Grid PV module 10#AELIO Critical Load Common Load Figure 2-14 AELIO system overview diagram (1) X3-PCAB-750kW-B • TRENE system NOTICE! • TRENE system series except for TRENE-P100B215I is used for illustration for the system overview diagram.
Page 33 Product Overview SolaXCloud Meter 1#TRENE PCAB Combiner Grid Common Load Critical Load 6#TRENE Figure 2-15 TRENE system overview diagram (2) • AELIO system PV module 1#AELIO SolaXCloud Meter PCAB Combiner Grid Critical Load Common Load 10#AELIO PV module Figure 2-16 AELIO system overview diagram (2)
Page 34 Product Overview Table 2-12 System item description Item Description PV modules work in MPPT mode. The maximum number of PV modules PV MPP tracker is five for 50 kW inverter and six for 60 kW (AELIO system only) inverter. Energy storage system, which includes PCS, battery, power TRENE/AELIO system distribution box, EMS and other parts.
Page 35: Transportation And Storage
Transportation and Storage Transportation Requirements DANGER! • Please be careful to avoid physical collisions during transportation. Do not place the equipment upside down, be exposed to water, etc., which may result in equipment damage, or even a fire or an explosion. NOTICE! •...
Page 36: Hoisting
Transportation and Storage Fork blade Fork blade 25 cm < T < 70 cm L > 1.2 m W=Width L=Length T=Thickness 26 cm < W < 42 cm Figure 3-1 Forklift requirements • Before moving the device, please pay attention to the center of gravity position of the load, and fully secure the load on the forklift by securing measures, such as ropes or bindings.
Page 37: Storage Requirements
Transportation and Storage Storage Requirements • For long-term storage, do not remove the original packaging and check the packaging regularly. • Please strictly comply with the storage requirements of the warning signs and other information on the packaging to avoid device damage. •...
Page 38: Preparation Before Installation
Preparation before Installation Installation Site Selection The installation site is critical to the safety, service life, and performance of the device, and it should be convenient for electrical connections, operation, and maintenance. Therefore, NFPA 855 Standard for the the installation site should be selected according to the Installation of Stationary Energy Storage Systems and the local laws and regulations.
Page 39 Preparation before Installation • Good transportation: Good transportation for the installation site. • Reserve space: During the planning phase, please consider the space for capacity expansion or connection in parallel in the future. • Avoiding bad soil: Do not install devices on the undesirable soil that are prone to deformation and settlement.
Page 40: Installation Foundation Requirements
Preparation before Installation +55°C 3000 m -30°C 0-95% RH 4.1.1 Installation Foundation Requirements The requirements for foundation are shown as follows: • Type of foundation material: 1. Non-combustible materials such as solid bricks or concrete; 2. Steel. • The bottom of the foundation pit must be strengthened and filled. The surface of the foundation shall be solid, flat and level (horizontal error ≤...
Page 41: Clearance Requirement
Preparation before Installation Foundation Unit: mm 1040 ≥300 ≥300 1200 1040 Figure 4-3 Foundation requirements 4.1.2 Clearance Requirement The installation clearance for a single and multiple cabinets should meet the following requirements: • Reserve a minimal space of 50 mm (when placed side by side with SolaX cabinets) or 400 mm (when placed side by side with other objects) at the left and right side of the cabinet.
Page 42 Preparation before Installation Unit: mm Unit: mm ≥ 1500 ≥ 1200 ≥ 50/400 ≥ 50/400 ≥ 50/400 ≥ 50/400 ≥ 1200 Front view Plan view Figure 4-4 Clearance requirements for a single cabinet Unit: mm Unit: mm ≥ 1200 ≥ 1200 ≥...
Page 43: Tools Requirement
Preparation before Installation Tools Requirement The tools used include but are not limited to the recommended tools below. Please use other auxiliary tools according to the site requirements. Please note that the tools used must comply with local regulations. Hammer drill (Ø18 mm) Multimeter Measuring tape Utility knife...
Page 44: Additionally Required Materials
Preparation before Installation Additionally Required Materials The material quantity is for reference only. Please prepare enough cables and terminals based on the on-site conditions. X3-PCAB-750kW-A Table 4-2 Cable requirements (1) No . Required material Cable Type Conductor Cross-section Quantity 4-core copper Grid cable ≥240 mm...
Page 45 Preparation before Installation Table 4-3 Ring terminal requirements (1) Type Required material Quantity Description (Recommended) For connecting the power TLK240-12 cables of the grid and load TLK120-12 For cabinet grounding Ring TLK120-8 For load grounding terminal For PCS connection (35 mm2 TLK35-8 power cable in AELIO system) For PCS connection (70 mm...
Page 46 Preparation before Installation X3-PCAB-750kW-B Table 4-5 Cable requirements (2) No . Required material Cable Type Conductor Cross-section Quantity 4-core copper Grid cable ≥240 mm 3 groups cable 4-core copper Load cable ≥240 mm 3 groups cable 4-core copper ESS cable ≥240 mm 3 groups cable...
Page 47 Preparation before Installation Figure 4-7 Ring terminal dimensions requirements (2) Ring terminal dimensions requirements Dimensions (mm) Terminal type 4.8 35.0 39.0 21.5 19.0 21.0 13.0 26.0 72.0 240-12 4.3 26.0 28.0 14.0 14.0 15.0 13.0 19.5 51.0 120-12 4.3 26.0 28.0 14.0 14.0 15.0 19.5 51.0 120-8...
Page 48: Unpacking And Inspection
Unpacking and Inspection Unpacking • The equipment undergoes 100% testing and inspection before shipping from the manufacturing facility. However, transport damage may still occur. Before unpacking the rechargeable battery, please verify that the model and outer packing materials for damage, such as holes and cracks. •...
Page 49: Packing List
Unpacking and Inspection • When unpacking, please handle all packaging materials properly for future storage or relocation of this equipment. • After unpacking, please check if the equipment is intact and if all accessories are complete. If there is any damage or missing accessories, please contact your dealer immediately for assistance.
Page 50 • The enclosure is for securing the accessory kit only, and is not needed after you take out the accessory kit. Do not reinstall it back. Scope of Delivery • X3-PCAB-750kW-A Fireproof mud × 6 Expansion bolt × 10 Cabinet × 1 Angle support ×...
Page 51 Unpacking and Inspection Antenna stick × 1 Allen key × 2 Door key × 4 Document Table 5-1 Packing list (1) Quantity Items Description (PCS) Cabinet Angle support For securing the cabinet For connecting the angle support Expansion bolt and foundation Fireproof mud For sealing off the grid cable inlet Cable tie...
Page 52 Unpacking and Inspection Quantity Items Description (PCS) RJ45 connector enclosure For protecting the RJ45 connectors Antenna stick For expanding data transmission Door key For unlocking the cabinet doors Allen key Document NOTICE! • U* and V* are collected in a bunch, and are inserted into the door lock upon delivery. •...
Page 53 Unpacking and Inspection Table 5-2 Packing list (2) Quantity Items Description (PCS) Cabinet Angle support For securing the cabinet For connecting the angle support Expansion bolt and foundation Fireproof mud For sealing off the grid cable inlet Cable tie To organize cables M12 nut M12 flat washer For grid and load connection, and...
Page 54 Unpacking and Inspection Quantity Items Description (PCS) Antenna stick For expanding data transmission Door key For unlocking the cabinet doors Allen key Document...
Page 55: Mechanical Installation
Mechanical Installation After determining the installation site, please take out the required underground cables. WARNING! • Avoid installing, operating and maintaining the device or cables outdoors under severe weather conditions such as lightning, rain or snow. • The device must be installed by professionals in accordance with local regulations and standards.
Page 56 Mechanical Installation Step 2: Unscrew the M12 screws used to secure the wooden pallet to the cabinet. 95±5 N·m Figure 6-12 Unscrewing the screws for securing pallet Step 3: Separate the wooden pallet and cabinet. Figure 6-13 Unscrewing the screws for securing pallet...
Page 57: Crane Hoisting
Mechanical Installation 6.1.2 Crane Hoisting NOTICE! When hoisting: • Temporary warning signs or fences should be set up in the hoisting area, and only the qualified persons can access it. • Never stand and walk under or near the device being lifted or lowered. •...
Page 58: Forklift Handling
Mechanical Installation α< 60° β> 90° Figure 6-15 Improper way of hoisting 6.1.3 Forklift Handling NOTICE! • Before relocating the cabinet through a forklift truck, make sure you have secured the cabinet properly without any risks of tipping over. Left view Right view Figure 6-16 Proper way of handling...
Page 59: Angle Support Installation
Mechanical Installation Rear view Front view Figure 6-17 Improper way of handling NOTICE! • After unloading the cabinet from the forklift truck, check if there is any paint peeling or chipping. If there is, follow the instructions on "15.2 How to Repaint the Cabinet" repair.
Page 60 Mechanical Installation Figure 6-18 Aligning and drawing circles Step 2: Draw circles on the foundation surface. The distance between two holes must be no less than 40 mm. ≥40 mm Figure 6-19 Drawing holes Step 3: Drill holes through the marks, and then clean the site. Ø18 mm 95~105 mm 90°...
Page 61 Mechanical Installation Step 4: Assemble the Dacromet M12*30 screw, Dacromet M12 spring washer, and Dacromet M12 flat washer , hammer in the combination screw into the installation holes, and then secure it with M12 nut. Dacromet M12 95±5 N·m Figure 6-21 Securing the cabinet Step 5: Hammer in the M12 expansion screws into the installation holes, and then secure them.
Page 62: Antenna Installation
Mechanical Installation Antenna Installation The cabinet offers two antenna ports. The right one is for connecting the 4G antenna stick delivered with the cabinet, and the left one is reserved. NOTICE! • Keep the sealing caps on if the antenna terminals are not used. Step 1: Remove the silicone cap.
Page 63: Electrical Connection
Electrical Connection The system offers abundant terminals that can be connected to the grid for power supply and on/off-frid control, and connected to load, PCS or ESS, and other devices that are suitable for different scearios. Here are the positions of the wired parts. Grounding Grounding Right view...
Page 64 Electrical Connection • Front side of X3-PCAB-750kW-A and X3-PCAB-750kW-B Grounding Grounding Grid Load Front door Part A Plan view of the wire cover plate on the bottom Front view Figure 7-2 Position of grid and load connection terminals • Rear side of X3-PCAB-750kW-A...
Page 65 Plan view of the wire cover plate on the bottom Figure 7-4 Position of ESS connection terminals NOTICE! • X3-PCAB-750kW-A and X3-PCAB-750kW-B share the same cabinet grounding, grid and load connection procedure, and only differs in PCS/ESS connection. Table 7-1 Position of wired parts in the cabinet...
Page 66: Preparing Cables
Electrical Connection Preparing Cables We recommend making all cables in advance before performing electric connection. For cable requirements, see "4.3 Additionally Required Materials". 7.1.1 Preparing PE cables PE cables are required for cabinet and load grounding protection. The cable making procedure is the same for these two connection.
Page 67: Preparing Power Cables
Electrical Connection Ø20-25 mm 40-50 mm Heat shrink tubing Figure 7-6 Attaching tubing and ring terminal Step 3: Crimp the terminal, pull the heat shrink tubing to the crimped area, and then heat them with a heat gun. Figure 7-7 Crimping and heating 7.1.2 Preparing Power Cables Prepare cables for connecting to the grid, load and PCS or ESS.
Page 68 Electrical Connection X3-PCAB-750kW-A Table 7-3 Requirements for making power cables (1) Connection Ring Terminal Type Jacket Stripe Insulation Specification of Heat Type （ Recommended) Length Stripe Length Shrink Tubing Grid Diameter: Ø30-35 mm TLK240-12 700-800 mm 40 mm Length: 80-90 mm Load Diameter: Ø20-25 mm...
Page 69 Electrical Connection Step 1: Stripe the outer jacket and insulation layer off the grid cable to an appropriate length. Figure 7-8 Striping wires Step 2: Cut sections of heat shrink tubing, thread them through the stripped wires, and then attach the ring terminals. Figure 7-9 Attaching tubings and ring terminals Step 3: Crimp the ring terminals with a hydraulic wire crimper.
Page 70: Grounding Connection
Electrical Connection Figure 7-11 Heating the terminals Grounding Connection Ground the cabinet through the PE cable. NOTICE! • The cabinet offers 2 grounding terminals on the left and right side. Select either terminal to perform grounding. Assemble the Dacromet M12*30 screw, Dacromet M12 spring washer, and Dacromet M12 flat washer, hammer in the combination screw into the terminal, and then secure it.
Page 71: Grid Connection
Electrical Connection Grid Connection Connect the system to the grid for power supply and on/off grid control. Step 1: Use an Allen key and a door key to open the rear door. 120° Figure 7-13 Opening the front door Step 2: Insert the limiting rod into the limiting holes of the cabinet. Limiting rod Figure 7-14 Placing the limiting rod Step 3:...
Page 72 Electrical Connection 3±0.5 N·m Figure 7-15 Removing the front cable cover Step 4: Unscrew the M6 screws on the sides of the wire cover plate for grid connection, and then cut through the rubber seals. Wire hole seal Wire cover plate 5±0.5 N·m Figure 7-16 Cutting through wire hole seals Step 5:...
Page 73 Electrical Connection Flat Spring washer washer Screw 95±5 N·m Figure 7-17 Threading and securing cables Step 7: Pull down the wire cover plate to cabinet rack, and then use the original M6 screws to secure the plate onto the cabinet. Step 8: Attach fireproof mud to seal the cable threading holes on the plate.
Page 74: Load Connection
Electrical Connection Load Connection Step 1: Unscrew the M6 screws on the sides of the wire cover plate for load connection, and then cut through the rubber seals. Wire hole seal Wire cover plate 5±0.5 N·m Figure 7-19 Cutting through wire hole seals Step 2: Lift up the wire cover plate, and then thread the PE cables and power cables for load in sequence.
Page 75 Electrical Connection Step 3: Assemble the M8 flat washer, M8 spring washer and M8 screw, and then use the assembled screw to secure the PE cable onto the PE bar. Flat Spring washer washer Screw 25±2 N·m Figure 7-21 Securing the PE cable for load Step 4: Assemble the M12 flat washer, M12 spring washer and M12 screw into a combination screw, assemble the M12 flat washer and M12 nut into a combination nut, and then use the assembled screw to secure the power wire...
Page 76: Pcs Connection (X3-Pcab-750Kw-A)
Electrical Connection 5±0.5 N·m Figure 7-23 Securing plate and attaching fireproof mud PCS Connection (X3-PCAB-750kW-A) The system is compatible with both AELIO and TRENE energy storage systems. Connect the PCSs in the two systems to the switching cabinet for on/off-grid control.
Page 77 Electrical Connection Step 1: Use an Allen key and a door key to open the rear door. 120° Rear door Figure 7-24 Opening the rear door Step 2: Insert the limiting rod into the limiting holes of the cabinet. Limiting rod Figure 7-25 Placing the limiting rod Step 3: Unscrew the M5 screws on the rear cable cover, and then remove the cover.
Page 78 Electrical Connection 3±0.5 N·m Figure 7-26 Removing the rear cover Step 4: Unscrew the M6 screws on the sides of the wire cover plate for PCS connection, and then cut through the rubber seals. Wire hole seal Wire cover plate 5±0.5 N·m Figure 7-27 Cutting through wire hole seals Step 5:...
Page 79 Electrical Connection AELIO (35 mm cable)/TRENE ( 70 mm cable) AELIO (35 mm cable) Figure 7-28 Threading through cables Step 6: Assemble the M8 screw, spring washer and flat washer into a combination screw, and assemble the M8 flat washer and nut into a combination nut, and then use them to secure the wire onto the terminal block.
Page 80 Electrical Connection 5±0.5 N·m Figure 7-30 Securing plate and attaching fireproof mud Step 9: Repeat Step 3 to Step 7 to connect the power cables for PCSs at the right side. TRENE system (70 mm cable) AELIO system (35 mm cable) Figure 7-31 PCS connection completed...
Page 81: Ess Connection (X3-Pcab-750Kw-B)
Electrical Connection ESS Connection (X3-PCAB-750kW-B) Connect the cabinet to ESS for power flow and on/off-grid mode switching. Figure 7-32 Terminal bar distribution for ESS connection NOTICE! • The sequence of the terminal bar for ESS connection is N, L1, L2 and L3 from the inside out.
Page 82 Electrical Connection Limiting rod Figure 7-34 Placing the limiting rod Step 3: Unscrew the M5 screws on the rear cable cover, and then remove the cover. 3±0.5 N·m Figure 7-35 Removing the rear cover Step 4: Unscrew the M6 screws on the left side of the wire cover plate for L2 and L3 connection, and then cut through the rubber seals.
Page 83 Electrical Connection Wire cover plate Wire hole seal 5±0.5 N·m Figure 7-36 Cutting through wire hole seals Step 5: Lift up the wire cover plate, and then thread the L2 and L3 through the holes. Figure 7-37 Threading through L2 and L3 cables Step 6: Assemble M12 screw, M12 spring washer and M12 flat washer, and then use the assembled screws to secure L2 and L3 onto the terminal block.
Page 84 Electrical Connection Spring Flat washer washer Screw 95±5 N·m Figure 7-38 Securing L2 and L3 Step 7: Pull down the wire cover plate to cabinet rack, and then use the original M6 screws to secure the plate onto the cabinet. 5±0.5 N·m Figure 7-39 Securing plate Step 8: Unscrew the M6 screws on the right side of the wire cover plate for N and L1...
Page 85 Electrical Connection Wire cover plate Wire hole seal 5±0.5 N·m Figure 7-40 Cutting through wire hole seals Step 9: Lift up the wire cover plate, and then thread the N and L1 through the holes. Figure 7-41 Threading through N and L1 cable Step 10: Assemble M12 screw, M12 spring washer and M12 flat washer, and then use the assembled screws to secure N and L1 onto the terminal block.
Page 86 Electrical Connection Flat Spring washer washer Screw 95±5 N·m Figure 7-42 Securing L2 and L3 Step 11: Pull down the wire cover plate to cabinet rack, and then use the original M6 screws to secure the plate onto the cabinet. Step 12: Attach fireproof mud to seal the cable threading holes on the plate.
Page 87: Communication Connection
Electrical Connection Communication Connection Connect the PCS of the energy storage system to the control board of the switching cabinet for data acquisition, to EMS for data transmission and system management, and to the Ethernet port for network connection. 7.7.1 Grid-connected Meter Connection Connect the grid-connected meter to EMS adapter terminal block (XT6) for energy flow control of the entire system.
Page 88 Electrical Connection Step 1: Strip the communication cable to an appropriate length at both ends. Figure 7-44 Stripping the communication cable Step 2: Insert one end of the cable into the KST E0508 ferrules, and then use a crimping tool for ferrule to crimp them. KST E0508 Figure 7-45 Attaching the ferrules Step 3:...
Page 89: Control Board Connection
Electrical Connection Step 4: Insert the other end of the conductors respectively into port 24 and 25 of the meter. RS485A RS485B Figure 7-47 Connecting the meter 7.7.2 Control Board Connection Connect the energy storage cabinets to the control board adapter terminal block (XT7) for management.
Page 90 Electrical Connection Table 7-9 Corresponding terminals for control board connection Energy Storage System AC Switching Cabinet Control Board Terminal No./ Model PCS Terminal No./Type Cable Type Type TRENE Parallel COM-1 XT7:1-8 Network cable system AELIO COM1-PARALLEL 2 XT7: 9 / 10 Network cable RJ45 KST E0308...
Page 91 Electrical Connection Step 3: Insert the wires of the other cable end (Terminal B) into the KST E0308 ferrules , and then use a crimping tool for ferrule to crimp them. Terminal B Figure 7-50 Crimping ferrules Step 4: Insert terminal A with an RJ45 connector into PARALLEL COM-1 of TRENE energy storage system, and then thread the cable out of the cabinet through the cable threading hole.
Page 92 Electrical Connection 1 2 3 4 5 6 7 8 XT7 terminal block 1±0.1 N·m Rear side of parallel cabinets Figure 7-52 Connection to the switching cabinet Connection to AELIO System Step 1: Strip the outer jacket and insulation layer off the network cable to an appropriate length at both ends.
Page 93 Electrical Connection RJ45 connector in sequence, and then use a crimping tool to securely crimp the wires into the connector. No. Color Terminal A White with orange stripes 2 Orange Figure 7-54 Crimping RJ45 Step 3: Insert the two wires of the other cable end (Terminal B) into the KST E0308 ferrules, and then use a crimping tool for ferrule to crimp them.
Page 94 Electrical Connection Right side of AELIO cabinet Figure 7-56 Connection to AELIO system Step 5: Thread the cable into the switching cabinet through the wiring cover plate, and then insert terminal B with KST E0308 ferrules into 9 and 10 terminals of XT7 terminal block in sequence.
Page 95 Electrical Connection Connection to TRENE-P100B215I System Step 1: Strip the outer jacket and insulation layer off the communication cable to an appropriate length at both ends. NOTICE! • If multi-core cable is used, please perform insulation treatment for unconnected wires. Figure 7-58 Stripping cable Step 2: Insert the two wires at each end into the KST E0308 ferrules, and then use a crimping tool for ferrule to crimp them.
Page 96 Electrical Connection Front of TRENE-P100B215I Figure 7-60 Connection to TRENE-P100B215I Step 4: Thread the cable into the switching cabinet through the wiring cover plate, and then insert the wires at the other end of the cable into 9 and 10 terminals of XT7 terminal block.
Page 97: Power Control Hub Connection
Electrical Connection 9 10 XT7 terminal block Rear side of parallel cabinets Figure 7-61 Connection to the switching cabinet 7.7.3 Power Control Hub Connection The switching cabinet offers 11 terminals (Hereinafter referred to as "HUB 1") for pwoer control of the energy storage systems on the left side of the cabinet rear. Energy Storage System AC Switching Cabinet Model...
Page 98 Electrical Connection Figure 7-62 Stripping cable jacket Insert the wires into the pin contacts of the RJ45 connector in sequence, and then use a crimping tool to securely crimp the wires into the connector. No. Color White with orange stripes 2 Orange 3 White with green stripes 4 Blue...
Page 99: Data Exchange Hub Connection
Electrical Connection HUB 1 (port 1-11) Rear side of parallel cabinets Figure 7-65 Connection to the switching cabinet 7.7.4 Data Exchange Hub Connection The switching cabinet offers 11 terminals (Hereinafter referred to as "HUB 2") for data exchange with the energy storage systems on the right side of the cabinet rear. Table 7-10 Corresponding terminals for LAN connection Energy Storage System AC Switching Cabinet...
Page 100 Electrical Connection Figure 7-66 Stripping cable jacket Insert the wires into the pin contacts of the RJ45 connector in sequence, and then use a crimping tool to securely crimp the wires into the connector. No. Color White with orange stripes 2 Orange 3 White with green stripes 4 Blue...
Page 101 Electrical Connection HUB 2 (port 1-11) Rear side of parallel cabinets Figure 7-69 Connection to the switching cabinet...
Page 102: System Commissioning
System Commissioning Checking before Power-on Ensure that all the cables are properly connected, and that all the electric components are switched off. Table 8-1 Checklist Item Description • Check whether the equipment is in good condition, with a clean, non-peeling paint, and rust-free surface. Cabinet appearance •...
Page 103: Powering On The System
System Commissioning Powering on the System The position of components for powering on the system are as follows. Power distribution breakers Load breaker Grid breaker PCS breakers SPD breaker Front view Rear view Figure 8-1 Position of modules for powering on system Step 1: Press the ON button to turn on the grid breaker.
Page 104 System Commissioning Figure 8-3 Flipping up SPD breaker Step 3: Press and hold the power button of the UPS for 3 seconds to turn on it. Power on/off Menu Figure 8-4 Turning on the UPS Step 4: Flip up the power distribution breakers. Figure 8-5 Flipping up power distribution breakers Step 5: Flip up the PCS breakers.
Page 105 System Commissioning NOTICE! • X3-PCAB-750kW-B does not have PCS breakers. This step only applies to X3-PCAB- 750kW-A. Figure 8-6 Flipping up PCS breakers Step 7: Press the ON button to turn on the load breaker. Figure 8-7 Starting the load breaker Step 8: Lock the front and rear doors.
Page 106 System Commissioning Front door Rear door Figure 8-8 Locking doors...
Page 107: Operation On Ems And Solaxcloud
Operation on EMS and SolaXCloud Log in to EMS webpage to set parameters for automatic on/off-grid mode switch, or manually switch the operation mode of the system. Operation on EMS Webpage NOTICE! • IE browser is not supported currently, and we recommend logging in to the webpage through Chrome.
Page 108: Solaxcloud App Login
Operation on EMS and SolaXCloud Figure 9-1 Setting switch parameters SolaXCloud APP Login Step 1: Downloading and installing App. Select and scan the QR code below to download SolaxCloud APP. You can also find the QR codes at the button right of the login page of www.solaxcloud.com. In addition, you can search with the key word SolaxCloud in Apple Store or app store to download it.
Page 109: 10 Troubleshooting And Maintenance
10 Troubleshooting and Maintenance 10.1 Powering off the System There are two methods to power off the system: normal power-off and emergency power- off. The latter is used only in emergencies. Normal Power Off Power distribution breakers Load breaker Grid breaker PCS breakers SPD breaker Front view...
Page 110 Troubleshooting and Maintenance Front door 120° Rear door 120° Figure 10-2 Opening the front and rear doors Step 2: Press the OFF button to turn off the load breaker. Figure 10-3 Turning off the load breaker Step 3: Flip down the PCS breakers.
Page 111 Troubleshooting and Maintenance Figure 10-4 Flipping down PCS breakers Step 4: Flip down the power distribution breakers. Figure 10-5 Flipping down power distribution breakers Step 5: Press and hold the power button of the UPS for 3 seconds to turn off it. Power on/off Menu Figure 10-6 Turning off the UPS...
Page 112 Troubleshooting and Maintenance Figure 10-7 Flipping down SPD breaker Step 1: Press the OFF button to turn off the grid breaker. Figure 10-8 Turning off the gird breaker Emergency Power Off WARNING! • Do not press the emergency stop button unless in an emergency. •...
Page 113 Troubleshooting and Maintenance Figure 10-9 Pressing emergency stop button NOTICE! If it has been pressed, the emergency stop button must be reset before starting the equipment. The reset steps are shown as follows: Rotate the cover; Rotate the button according to the arrow direction shown on the button. Then the button will spring back to its original position.
Page 114: Troubleshooting
Troubleshooting and Maintenance 10.2 Troubleshooting This section lists the possible problems with the equipment, and provides information and procedures for identifying and resolving them. For further assistance, contact SolaX Customer Service. Please provide the model and SN of the cabinet, and be prepared to describe the system installation details.
Page 115 Troubleshooting and Maintenance Fault code Fault Description Soltuion 1. Disconnect the grid power input and reclose QF-SPD to the closed position, and then check the device status through EMS or the cloud platform to see if it is normal. 2. Replace the SPD module. Microgrid_SPD_ SPD alarm After replacing the SPD...
Page 116: Maintenance
Troubleshooting and Maintenance Fault code Fault Description Soltuion Grid_ Control board failed to communication_ Contact SolaX staff. communicate with the meter alarm Pcab_ Control board 1. Check for the wiring. communication_ communication failed 2. Contact SolaX staff. alarm Grid_voltage_ Failed to collect grid voltage Contact SolaX staff.
Page 117 Troubleshooting and Maintenance Maintenance Item Check notes interval • Check if all wiring connections are secure. • Check the condition of the cables to ensure that there are no scratches on the parts where the connectors contact the metal surfaces. Electrical •...
Page 118: 11 Technical Data
11 Technical Data Model X3-PCAB-750kW-A X3-PCAB-750kW-B Rated AC power Rated AC voltage 3 / N / PE, 230 / 400 V 3 / N / PE, 230 / 400 V Rated AC frequency 50 Hz / 60 Hz 50 Hz / 60 Hz Rated AC current 1087 a.c A...
Page 119: 12 Appendix
12 Appendix 12.1 Application of PV System 12.1.1 Introduction to PV System Application Besides the mere on/off-grid switching application, the system can also be connected to PV inverters for additional energy source. In this system, the energy storage system is AC coupled with the PV system, and PCAB controls the coupled system to work on-grid or off-grid.
Page 120 Appendix X3-PCAB-750kW-A • TRENE Meter 1#TRENE SolaXCloud Grid PCAB 6#TRENE Critical Load Common Load Meter MEGA/FORTH PV module Combiner PV module MEGA/FORTH Figure 12-1 PV and TRENE energy storage system overview diagram (1)
Page 121 Appendix • AELIO SolaXCloud Meter 1#AELIO PV module Grid PCAB 10#AELIO Critical Load Common Load PV module Meter MEGA/FORTH PV module Combiner PV module MEGA/FORTH Figure 12-2 PV and AELIO energy storage system overview diagram (1)
Page 122 Appendix X3-PCAB-750kW-B • TRENE SolaXCloud Meter 1#TRENE Combiner Grid PCAB Critical Load 6#TRENE Common Load Meter PV module MEGA/FORTH Combiner PV module MEGA/FORTH Figure 12-3 PV and TRENE energy storage system overview diagram (2)
Page 123 Appendix • AELIO SolaXCloud Meter PV module 1#AELIO Grid Combiner PCAB Critical Load Common Load 10#AELIO PV module Meter PV module MEGA/FORTH Combiner PV module MEGA/FORTH Figure 12-4 PV and AELIO energy storage system overview diagram (2)
Page 124: Electrical Connection With Pv Inverter
Appendix 12.1.3 Electrical Connection with PV Inverter NOTICE! • The terminal and wiring procedure of X3-PCAB-750kW-A and X3-PCAB-750kW-B are the same. X3-PCAB-750kW-A is used for example. Table 12-1 Corresponding terminals for connection PV Inverter AC Switching Cabinet Model Terminal Pin No. Pin Definition Terminal No.
Page 125 Appendix 4 5 6 1±0.1 N·m Figure 12-6 Connecting the PV inverter Step 4: Insert the ferrules at the other end of the cable respectively into 1, 2 and 3 terminals of XT6 terminal block in sequence. The wire sequence should be corresponding at two terminals. 1 2 3 XT6 terminal block 1±0.1 N·m...
Page 126: Application Of Diesel Generator
Appendix 12.2 Application of Diesel Generator 12.2.1 Introduction to Diesel Generator Application Generator can be added to the PV energy storage system for backup power supply. When operating off-grid, the energy storage system serves as the main power source for grid formation, and the PV system supplies power to the loads.
Page 127 Appendix X3-PCAB-750kW-A • TRENE 1#TRENE Meter SolaXCloud Generator PCAB Grid 6#TRENE Critical Load Common Load Meter PV module MEGA/FORTH Combiner PV module MEGA/FORTH Optional Figure 12-8 PV, DG and TRENE energy storage system overview diagram (1)
Page 128 Appendix • AELIO 1#AELIO Meter PV module SolaXCloud Generator PCAB Grid 10#AELIO PV module Critical Load Common Load Meter PV module MEGA/FORTH Combiner PV module MEGA/FORTH Optional Figure 12-9 PV, DG and AELIO energy storage system overview diagram (1)
Page 129 Appendix X3-PCAB-750kW-B • TRENE SolaXCloud Meter 1#TRENE Generator Combiner PCAB Grid 6#TRENE Critical Load Common Load Meter PV module MEGA/FORTH Combiner MEGA/FORTH PV module Optional Figure 12-10 PV, DG and TRENE energy storage system overview diagram (2)
Page 130: Electrical Connection With Generator
EMS directly controls the startup of the generator. NOTICE! • The terminal and wiring procedure of X3-PCAB-750kW-A and X3-PCAB-750kW-B are the same. X3-PCAB-750kW-A is used for example. Table 12-1 Corresponding terminals for connection Control Mode Terminal No.
Page 131 Appendix Control Mode Terminal No. Definition Description DO8+ DO8- Dry contact For dry contact control of the control mode generator DI13 DI COM Communication Control Mode Connection Step 1: Strip the outer jacket and insulation layer off the communication cable to an appropriate length at both ends.
Page 132 Appendix 4 5 6 XT6 terminal block 1±0.1 N·m Figure 12-13 Connecting the switching cabinet Step 4: Thread the wires out of the switching cabinet, and then connect the wires to the corresponding terminals of the generator. Dry Contact Control Mode Connection Step 1: Strip the outer jacket and insulation layer off the communication cables to an appropriate length at both ends.
Page 133: Requirements For Ot/Dt/To Terminal
Appendix Step 3: Insert the ferrules at one end of the cables respectively into 16 and 17, and 18 and 19 terminals of XT6 terminal block in sequence. 1617 1819 XT6 terminal block 1±0.1 N·m Figure 12-15 Connecting the switching cabinet Step 4: Thread the wires out of the switching cabinet, and then connect the wires to the corresponding terminals of the generator.
Page 134 Appendix NOTICE! • The copper-to-aluminum wiring terminal used in scenario 3, and aluminum wiring terminal, copper washer, and aluminum washer used in scenario 4 must comply with the requirements in IEC61238-1. Table 12-1 Terminal requirements for different types of cables Scenario Cable Type Wiring Terminal Type...
Page 135: How To Repaint The Cabinet
Appendix 12.4 How to Repaint the Cabinet Check the paint damage on the surface of the cabinet, with details as below: • For light scratches or small areas of stubborn stains, please see "12.4.1 Light Scratches & Small Areas of Stubborn Stains" to treat them.
Page 136 Appendix Repainting Procedure Step 1: Gently sand the scratched area with a fine sandpaper to remove rust and stains on the surface. Fine sandpaper Figure 12-16 Sanding the scratched area Step 2: Moisten a cotton cloth with anhydrous ethanol, wipe the scratched area with it to remove dust and dirt, and then use a dry cotton cloth to wipe the area dry.
Page 137: Deep Scratches And Large Areas Of Stubborn Stains
Appendix Hairbrush Spray paint Figure 12-18 Applying paint Step 4: After completing applying the paint, wait for around 30 minutes for the paint to get dry, and then check whether the repaired area meets the requirements. NOTICE! • The color of the repaired area shall be consistent with the surrounding area. »...
Page 138 Appendix Tool/Material Tool/Material Hairbrush (for small areas of deep Cotton cloth scratches and stubborn stains) Paint sprayer (for large areas of deep scratches and stubborn stains) Repainting Procedure Step 1: Gently sand the scratched area with a fine sandpaper to remove rust and stains on the surface.
Page 139 Appendix NOTICE! • If the steel substrate is visible on the scratched area, the zinc-rich primer must be applied first to entirely cover the substrate. • Wait for the primer to get dry before applying the top coat to the scratched area. Step 4: Use a paint spray to apply paint to the surface of the scratched area until it is fully and evenly covered.
Page 140: Logo & Pattern Damaged, Dents Or Dings
Appendix 12.4.3 Logo & Pattern damaged, Dents or Dings In this case, we recommend contacting a local spray painting company for customized treatment based on the actual conditions. Table 12-4 Damage extent and recommended solution No . Damaged Area Recommended Solution Use a poly-putty base to fix the dents and dings first, •...
Page 141 SolaX Power Network Technology (Zhejiang) Co., Ltd. Add.: No. 278, Shizhu Road, Chengnan Sub-district, Tonglu County, Hangzhou, Zhejiang, China E-mail: info@solaxpower.com Copyright © SolaX Power Network Technology (Zhejiang) Co., Ltd. All rights reserved. 320101128101...

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