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| Container Size: | 6096*2438*2896mm |
| Weight: | 25t |
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The energy storage system of this project has a capacity of 1MW/4.18MWh, and the battery system, bidirectional converter (PCS), battery management system (BMS), energy management system (EMS), AC and DC distribution control system, environmental monitoring system and fire protection system are deployed in containers. The energy storage system has core technologies in terms of safety, integration, and information intelligence.
The energy storage system of this scheme is configured as 1MW/4.18MWh, adopts the integrated design scheme of containers, and is integrated with 1500V high-pressure liquid cooling.
This solution uses 3.2V/314Ah lithium iron phosphate battery, and the single power is 1004Wh. The monomer has the characteristics of safety and reliability, high system efficiency and long cycle life. Each standard subrack consists of 52 cells of 3.2V/314 Ah, with a capacity of 166.4 V/314 Ah and an electric capacity of 52.249kWh. Each battery cluster consists of 8 subracks connected in series and 1 high-voltage box. The battery cluster specification is 1331.2V/314Ah, and the power of a single cluster is 417.996kWh.
| Project | Rated voltage | Capacity | Energy | Group Approach |
| Battery cell | 3.2V | 314Ah | 1.004kWh | / |
| Battery box | 166.4V | 314Ah | 52.249kWh | 1P52S |
| Battery clusters | 1331.2V | 314Ah | 417.996Wh | 1P416S |
| Container-battery system | 1331.2V | 10*314Ah | 4179.968kWh | 10*1P416S |
Parameters of energy storage battery system units
System access topology
The energy storage system consists of a battery system, a battery management system (BMS), an energy storage inverter (PCS), an energy management system (EMS), and a step-up transformer.
The schematic diagram of the energy storage system access is as follows:
Technical parameters of 4179.968kWh battery system container
| No. | project | parameter | remark | |
| 1 | Nominal voltage | 1331.2V | ||
| 2 | Nominal charge | 4179.968kWh | ||
| 3 | Voltage range | 1040~1497.6V | ||
| 4 | The SOC window is recommended | 10%~90% | ||
| 5 | Maximum charging power | ~1250kW | ||
| 6 | Maximum discharge power | ~1250kW | ||
| 7 | Operating temperature | charge | -0~55ºC | |
| 8 | discharge | -30~55ºC | ||
| 9 | Ambient temperature is recommended | 20~30ºC | ||
| 10 | Thermal management | Liquid cooling | The cooling power is 40kW | |
| 11 | Methods of Communication | CAN/ Ethernet /RS485 | ||
| 12 | System IP rating | IP54 | container | |
| 13 | weight | <50t | ||
| 14 | System size | W12192×D2438×H2896mm | 40ft container | |
| 15 | Storage temperature | 0~35ºC | Not more than 1 year | |
| 16 | Store humidity | <70%RH | ||
Rendering of the battery system container
Schematic diagram of the container size of the battery system
Schematic diagram of the inverter booster all-in-one machine
The battery system is equipped with a complete battery management system, and adopts a three-level management structure, including module level, cluster level and system level, to achieve comprehensive control, management and protection of the battery system and ensure the safe and stable operation of the battery system.
Energy storage grouping process
| No. | Parameter | Specifications | remark |
| 1 | Battery cathode material | Lithium iron phosphate | |
| 2 | Cell capacity | 314Ah | |
| 3 | Rated voltage | 3.2V | |
| 4 | Operating voltage range | 2.5~3.65V | |
| 5 | Number of cycles | ≥ 7000 times | 0.5C,80%EOL@25ºC |
| 6 | Operating Temperature (Charging) | 0~55ºC | |
| 7 | Operating Temperature (Discharge) | -30~55ºC |
Cell parameters
Schematic diagram of cell size
Battery box technology
The battery module is in the form of a battery subracket, with a specification of 166.4V/280Ah. It is composed of 4 1P13S battery modules, collection wiring harnesses, BMU modules, explosion-proof valves, fuses, liquid cold plates, MSD and other related electrical and structural parts.
Renderings of the battery box
Battery box parameters
| No. | Project | Parameter | Note | |
| 1 | Nominal capacity | 314Ah | ||
| 2 | Nominal voltage | 166.4V | ||
| 3 | Nominal charge | 52.249kWh | ||
| 4 | Serial-parallel mode | 1P52S | ||
| 5 | Charging (constant power) | Maximum continuous charging power | 0.5P | |
| 6 | Charge cut-off voltage | 130V | ||
| 7 | discharge |
Maximum continuous discharge power | 0.5P | |
| 8 | Discharge cut-off voltage | 189.8V | ||
| 9 | Charging time | Standard charging | 2h | |
| 10 | Insulation resistance | More than 50MΩ | DC2500V | |
| 11 | Operating temperature under charging conditions | 0~55ºC | ||
| 12 | Operating temperature under discharge conditions | -30~55ºC | ||
| 13 | Storage temperature | 0~35ºC | ||
| 14 | Store humidity | <70%RH | ||
| 15 | Ingress protection | IP67 | ||
| 16 | Battery box size | D1070*W810*H225mm | Tolerance ± 2mm | |
| 17 | Battery box weight | 345±5kg | Subject to actual conditions | |
Appearance of the high-pressure box
| No. | Project | Parameter | Remark | |
| 1 | Nominal capacity | 314Ah | / | |
| 2 | Nominal voltage | 1331.2V | / | |
| 3 | Nominal charge | 417.996kWh | ||
| 4 | Serial-parallel mode | 1P416S | Consists of 8 battery modules connected in series | |
| 5 | Charging (constant power) | Maximum continuous charging power | 0.5P | |
| 6 | Charge cut-off voltage | 1497.6V | / | |
| 7 | Maximum continuous discharge power | 0.5P | / | |
| 8 | discharge | Discharge cut-off voltage | 1040V | |
| 9 | Charging time | Standard charging | 2.0h | |
| 11 | Insulation resistance | >1000Ω/V | DC2500V | |
| 12 | The SOC window is recommended | SOC:10%~90% | / | |
| 13 | Operating temperature under charging conditions | 0~55ºC | / | |
| 14 | Operating temperature under discharge conditions | -30~55ºC | / | |
| 15 | Storage temperature | 0~35ºC | Within 6 months | |
| 16 | Store humidity | <70%RH | / | |
| 17 | Energy efficiency | Not less than 92% | 25±5°C,P2,100%DOD | |
| 18 | Cell cluster size | W862.7×D1077× | ±5mm | |
| H2466.4mm | ||||
| 19 | Battery cluster weight | Approx. 3100kg | Subject to actual conditions | |
Parameters of battery clusters
Technical parameters of the high-pressure box
| No. | Name | Technical parameters |
| 1 | Current rating | 150A |
| 2 | Operating voltage | 1500V |
| 3 | SOC accuracy | 6% |
| 4 | weight | <30kg |
PCS system
The energy storage system uses a total of 1250kW bidirectional converters. With the basic characteristics of bidirectional inversion, the converter has a series of special properties and functions, which can realize the charging and discharging functions of the battery system in different applications. The energy storage PCS can be operated automatically, with a high degree of visualization of the operating status, with a display screen as a man-machine interface, and the real-time operation data, real-time fault data, historical fault data, etc. can be clearly displayed through the touch screen or button operation.
Energy storage bidirectional converter
Circuit diagram
PCS topology
Technical parameters
| No. | Project | Technical parameters | Remark |
| 1 | AC access mode | Three-phase three-wire | |
| 2 | Rated power | 1250kW | |
| 3 | Overload capacity | 110%: Long-term operation 120%: not less than 1min |
|
| 4 | Rated voltage | 690Vac | 0.9~1.1UN |
| 5 | Current rating | 1151A | |
| 6 | Rated grid frequency | 50 Hz | Consistent with grid frequency. |
| 7 | Total current waveform distortion (THD). | <3% (rated power). | Rated power |
| 8 | Factor | Not less than 0.99 (lead or lag) | Within the capacity allows |
| 9 | DC voltage range | 1000 - 1500 V | |
| 10 | Maximum DC current | 1310A | |
| 11 | Low voltage ride-through | Yes | Provide third-party test reports for verification |
| 12 | High voltage ride-through | Yes | Provide third-party test reports for verification |
| 13 | Anti-islanding protection | Yes | |
| 14 | Other protection features | Yes | |
| 15 | Maximum efficiency | ≥99% | Provide third-party test reports for verification |
| 16 | Dimensions (W×H×D) | 1130mm×1400mm×2350mm | |
| 17 | weight | 1650kg | |
| 18 | Enclosure rating | IP20 | |
| 19 | Cooling method | Air-cooled | |
| 20 | Communication interface | CAN, RS485, Ethernet port, expandable | |
| 21 | Operating ambient temperature | -30 °C~+60 °C (>45°C derating). | |
| 22 | Store at ambient temperature | -40 ºC~+70 ºC | |
| 23 | Relative humidity is allowed | 0~95%, no condensation | |
| 24 | altitude | 4000m(>2000m) |
Product features
Active power control
(1)When the active power command is a fixed value, the PCS outputs a constant power value, and under normal operating conditions, the active power does not change with the change of frequency and voltage, and the power control accuracy meets the requirements of GB/T34120 standard.
(2)The PCS follows the instructions of the energy storage power station monitoring system to control its active power output, and the time from receiving the power dispatching command to responding to the power output is not more than 100ms in the hot standby state.
transformer parameters
| No. | Project | Parameter | remark |
| 1 | Product name | 1250kVA double winding dry-type transformer | |
| 2 | Product model | 1250kVA,690V/600V | |
| 3 | Storage and transportation ambient temperature | -40ºC~55ºC | |
| 4 | Operating ambient temperature | -35ºC~55ºC | |
| 5 | Use altitude without derating | ≤1000m | |
| 6 | Climatic environment | C2 | |
| 7 | Environmental Rating | E2 | |
| 8 | Insulation performance class | F | |
| 9 | Rated voltage ratio | 690V/600V | |
| 10 | Rated capacity | 1250kVA | |
| 11 | Pressure regulation mode | No excitation voltage regulation | |
| 12 | Tap range | ±2*2.5% | |
| 13 | Rated frequency | 50Hz | |
| 14 | Linking groups | Dy11 | |
| 15 | Transformer structure | Low-pressure foil winding | |
| 16 | Impedance voltage | 6% | |
| 17 | Cooling method | Forced air cooling | |
| 18 | Overload capacity | Meet 1.1 times long-term overload |
Topology diagram
EMS
The system adopts a three-layer architecture, which is layered from the real-time layer, the data layer, and the verification layer.
The main functions of EMS are as follows
Technical parameters of the liquid-cooled unit
| No. | Technical requirements | Specifications |
| 1 | Cooling capacity | ~50kW |
| 2 | Heat production | ≥15kW |
| 3 | Coolant | 50% water + 50% ethylene glycol |
| 4 | Operating temperature | -40~60ºC |
| 5 | Working power supply | 380VAC±10% |
| 6 | Low-voltage power supply | 18~32VDC (provided by external system) |
| 7 | Refrigerants | R134a |
| 8 | Dehumidification and cooling capacity | 4kW |
| 9 | Outer diameter of the inlet and outlet connection pipes | φ65mm |
| 10 | The protection level of the unit's electrical appliances | IP67 |
| 11 | Corrosion resistance rating | C5 |
| 12 | Installation: | Vertical installation |
| 13 | Dimensions | L1120×W805×H2450mm;L1120×W1180×H2450mm(including external air deflector) |
| 14 | Methods of Communication | CAN, dry contact |
Technical data sheet
| No. | Project | Performance/Parameters |
| 1 | power supply | AC220V |
| 2 | Methods of Communication | CAN, RS485, dry contacts |
| 3 | Operating temperature | 0ºC~+50ºC |
| 4 | Fire detection methods | Temperature, smoke detectors |
| 5 | Fire extinguishing method | Automatic |
| 6 | Types of fire extinguishing agents | Perfluorohexanone |
| 7 | Dosage | 70kg |
| 8 | Design concentration | ≥9% |
| 9 | Startup mode | Automatic, manual, and emergency start/stop |
| 10 | Product Certification | 3C, fire certification |
Fire Protection System Workflow Diagram:
List of main equipment
| No. | Name | specification | unit | quantity |
| Box-type energy storage system | set | |||
| 1 | 1MW box-type energy storage battery system | 4.18MWh energy storage system | set | 1 |
| 1.1 | Battery clusters | 417.996kWh,314Ah cells | cluster | 10 |
| 1.2 | BMS system | Including BMU,BCMU,BMS | set | 1 |
| 1.3 | DC combiner cabinet | 10 sinks 1 | set | 1 |
| 1.4 | Thermal management system | Liquid cooling | set | 1 |
| 1.5 | Fire protection system | Perfluorohexanone fire extinguisher | set | 1 |
| 1.6 | Battery compartment containers | 45ft container, including box and accessories | set | 1 |
| 1.7 | Cables & Accessories | Cable glands included | set | 1 |
| 2 | Box-type energy storage inverter system | 1250kW | set | 1 |
| 2.1 | PCS | 1250kW | set | 1 |
| 2.2 | Step-up transformers | 1250kVA,0.69kV/0.6kV,Dy11, | set | 1 |
| 2.3 | High-voltage switchgear | Including high-voltage fuse, load switch, isolation switch, lightning arrester, live display, etc | set | 1 |
| 2.4 | Auxiliary electric control cabinet | Including measurement and control device, UPS uninterruptible power supply, power distribution, etc | set | 1 |
| 2.5 | Cables & Accessories | Cable glands included | set | 1 |
| 3 | EMS | set | 1 | |
| 3.1 | Hardware devices | Servers, switches, etc | set | 1 |
| 3.2 | Software Services | Operating systems, databases, etc | set | 1 |
FAQ
1. How To insatll And Use The Product?
We have the English teaching manual and videos; All the videos about every step of machine Disassembly, assembly, operation will be sent to our customers.
2. What if I Don't Have Export Experience?
We have reliable forwarder agent which can ship items to you by sea/air/Express to your doorstep.Any way, we will help you choose the most suitable shipping service.
3. How is Your Technical Support?
We provide lifetime online support through Whatsapp/ Wechat/ Email. Any problem after delivery, we will offer you video call anytime,our engineer will also go to oversea help our customers if necessary.
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5. Can You Get The Product Customized For us?
Of course, brand name, machine color, designed unique patterns available for customization.
6. How To Become Your Agent?
Contact us through E-Mail, we will give you the best price and look forward to your greetings.
Tianjin Plannano Technology Co., Ltd. was co-founded in 2009 by internationally renowned nanomaterials expert, Professor Chen Yongsheng of Nankai University and Mr. Xie Minyu. Plannano has 3 wholly-owned subsidiaries:Plannao Energy, Pulan Energy Storage and SEMITECH. Our company is committed to the development and application of new nanomaterials in the field of new energy, and has four core technologies: dry electrode preparation, in-situ preparation of LTO material and all-tab battery preparation, module and system integration and all-solid-state lithium-ion and lithium-metal battery. In the fields of graphene, dry electrode, all-tab LTO battery, and energy storage system, Plannano has outstanding technical advantages and rich technique experience.
Plannano has a 40,000-square-meter manufacturing plant and more than 600 employees, with more than 60 doctoral/master's degrees and more than 300 undergraduate/junior college degrees. Plannano owns the development, design and production capabilities of the entire industrial chain of materials, electrodes, cells, modules, systems, etc. ,and has formed main products six categories, including nanomaterials, dry electrodes, supercapacitors, LTO batteries, energy storage products and charging pile, the products are exported to more than 50 countries and regions across six continents, including Asia, Europe, North America, South America, Oceania, and Africa, and are widely praised by customers.
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