ContentPV Solar System (1)I.PV Grid-Connected System (1)1.String PV Grid-Connected Inverter (1)(1)Transformerless Type (1)(2)Transformer Type (3)2.Power Plant PV Grid-Connected Inverter (4)(1)10-30KW Transformer Power Plant (4)(2)50-100KW Transformer Power Plant (6)(3)250KW Transformer Power Plant (8)(4)250-500KW Transformerless Power Plant (10)II.PV Off-Grid Inverter (12)III.PV Grid-Connected Fittings (14)1.PV Combiner Box (14)2.DC Distribution Cabinet (15)3.AC Distribution Cabinet (15)4.Monitor Software (16)5.Data Acquisition (17)IV.System Integration (18)rge And Middle Scale PV Power Station (19)2.Small Scale PV Power System (19)3.BIPV&BAPV (20)PV Solar SystemI.PV Grid-Connected SystemPV grid-connected system consists of PV modules,grid-connected inverters and distribution system. Grid-connected inverter is an important transformation device converting solar to power.DC power is converted into sinusoidal AC current with the same frequency and same phase to grid,in part to the load and surplus electricity fed into the ually require high efficiency,reliability,and a wide DC voltage input range.1.String PV Grid-Connected Inverter(1)Transformerless Type【Features】◇Advanced IGBT modules,high reliability◇Efficient MPPT Control(efficiency>99%),real-time tracking the maximum output power of photovoltaic cells◇Technology of digital DSP control,pure sine wave output,automatic synchronization into grid,little harmonic pollution◇Advanced anti-islanding technology and functions of protection and alarm◇RS485/RS232/GPRS communication interface,long-distance data collection and monitoring 【Application】◇Family Power Station◇Power Plant,Substation,Telecommunications Room◇Battery Factory◇Other Small Power Inverter Applications◇Green Power 【Technical Parameters】(2)Transformer Type【Features 】◇Advanced IGBT modules,high reliability◇Efficient MPPT Control (efficiency>99%),real-time tracking the maximum output power of photovoltaic cells◇Technology of digital DSP control,pure sine wave output,automatic synchronization into grid,little harmonic pollution◇Advanced anti-islanding technology and functions of protection and alarm◇RS485/RS232/GPRS communication interface,long-distance data collection and monitoring 【Application】◇Family Power Station◇Power Plant,Substation,Telecommunications Room ◇Battery Factory◇Other Small Power Inverter Applications ◇Green Power【Technical Parameters 】2.Power Plant PV Grid-Connected Inverter(1)10-30KW Transformer Power Plant【Features】◇Advanced IGBT modules,high reliability◇Efficient MPPT Control(efficiency>99%),real-time tracking the maximum output power of photovoltaic cells◇Technology of digital DSP control,pure sine wave output,automatic synchronization into grid,littleharmonic pollution◇Advanced anti-islanding technology and functions of protection and alarm◇RS485/RS232/GPRS communication interface,long-distance data collection and monitoring 【Application 】◇PV Grid-connected Power Plant◇Power Plant,Substation,Telecommunications Room ◇Battery Factory◇Other Small Power Inverter Applications◇GreenPower【Technical Parameters 】(2)50-100KW Transformer Power Plant【Features】◇Advanced IGBT modules,high reliability◇Efficient MPPT Control(efficiency>99%),real-time tracking the maximum output power of photovoltaic cells◇Technology of digital DSP control,pure sine wave output,automatic synchronization into grid,little harmonic pollution◇Advanced anti-islanding technology and functions of protection and alarm◇RS485/RS232/GPRS communication interface,long-distance data collection and monitoring 【Application】◇PV Grid-connected Power Plant◇Power Plant,Substation,Telecommunications Room ◇Battery Factory◇Other Small Power Inverter Applications ◇GreenPower【Technical Parameters 】(3)250KW Transformer Power Plant【Features】◇Advanced IGBT modules,high reliability◇Control System of DSP+CLPD,high accuracy and more reliability◇Wide temperature range,low temperature rise,long service life◇MPPT efficiency>99.9%◇Advanced anti-islanding technology◇Touch screen display,multi-language setting,multi-communication interface,friendly and convinient interface◇Programmable protection and operation parameters◇Modular design,easy installation,operation and maintenance◇Low voltage ride through function and active/reactive switch function(optional)◇Auxiliary electric heating function(optional)(4)250-500KW Transformerless Power Plant【Features】◇Advanced IGBT modules,high reliability◇Control System of DSP+CLPD,high accuracy and more reliable◇Wide temperature range,low temperature rise,long service life◇MPPT efficiency>99.9%◇Advanced anti-islanding technology◇Touch screen display,multi-language setting,multi-communication interface,friendly and convenient interface◇Programmable protection and operation parameters◇Modular design,easy installation,operation and maintenance◇Low voltage ride through function and active/reactive switch function(optional)◇Auxiliary electric heating function(optional)【Technical Parameters 】TypeEPG250KTL EPG500KTL DC InputMax.PV Array Power 275kWp 550kWp Max.PV ArrayOpen-circuitVoltage 880Vdc 880Vdc Input Isc 725A 1418.8A Max.DC Current600A （8*75A ）1200A （16*75A ）Input Points816MPPT Voltage Tracking Range 450～820Vdc 450～820Vdc Strike Voltage 420Vdc 420Vdc MPPT Efficiency 99.9%99.9%Max.Reverse Current 0A 0A AC OutputRated Output Power 250kW 500kW Max.Output Current 535A 1070A THD <3%<3%Power Factor >0.99>0.99（adjustable ）Efficiency 97.8%98.7%Euro Efficiency97.0%98.4%Output Voltage270Vac 3～270Vac 3～II.PV Off-Grid I nverter【Features】◇Pure wave output with unit of charging function◇Complete isolation between input and output,efficiency85%-88%◇Short switching time(built-in fast relay<8ms)◇Apply to capacitive and inductive load,remarkable load and overload function ◇LED screen displays the online status of the inverter(over voltage,less voltage,over temperature,charging,etc)◇Cooling fan driven according to load and temperature◇Advanced micro-processing control system design,strong function of product protection◇Protection of reverse connection,less voltage,over voltage,short circuit,over load,over temperatue, etc.◇Remote interface enables long distance controlling of the machine◇Hybrid configuration(free switch among solar power,storage battery,commercial power,generator, etc.)III.PV Grid-Connected Fittings1.PV C ombiner B ox【Product File】To a large scale PV grid-connected system,normally there will be DC combiner equipment between PV module and the inverter in order to lessen the wirings between them to get easier maintenance and higher reliability.The PV array lightning protection combiner Box of our company is the certain design to get what mentioned above.This product can cooperate with our inverter to form a complete PV power system. The client can connect some PV cells of same specification into a series,which are paralleled into lightning protection combiner box,after combining,through the controller,DC distribution cabinet, inverter,AC distribution cabinet,and then cooperate together to form a complete set of PV power system and get grid-connected with commercial power.In order to improve reliability and practicability,we equip the combiner with PV special DC SPD module, DC fuse and circuit breaker and so on to guarantee that the solar PV power system can play its largest power.stribution C abinet2.DC Di Distribution【Product File】DC distribution cabinet is the equipment that to combine the DC cable from the combiner box and to get them into grid-connected inverter.The distribution cabinet includes DC circuit breaker,blocking diode and PV SPD and it is easy to cooperate and maintain.【Features】◇Spec:10KW-100KW◇Simplifying system wiring,improving safety and reliability◇Easy installation and maintenance◇Superior quality PV SPD◇Special specification up to client’s need3.AC D istribution C abinet【Product file】AC distribution cabinet is the equipment that to provide inverter the grid-connected interface through combining the power.AC distribution cabinet includes grid-side circuit breaker,SPD module,three phase kilowatt-hour meter,inverter grid-connected interface,AC ammeter and voltmeter and so on.It is easy to operate and maintain. 【Features】◇Spec:10KW-100KW◇Simplifying system wiring,improving safety and reliability◇Easy installation and maintenance◇High quality PV SPD◇Special specification up to client’s need4.Monitor Software【Product File】The monitor software is specially programmed for solar PV power system,complying for the power system monitor regulations technical requirement.It is the best choice of an independent power plant management system.The software cooperating with our inverter can record and analyze the data of the whole system,one inverter or several inverters.It has standard Windows operation interface,keyboard and mouse supporting,complete fault alarming information and powerful capability of data analyzing.【Features】◇Humanistic human-machine interface◇Alarm and fault records◇Detailed system operation parameters◇Function of basic parameter setting◇Diversified chart display and data evaluation◇Electricity accumulation,systemic analysis,historical data records◇Multi-role account and authorization management5.Data A cquisition【Product file】Data acquisition is a special mini monitoring equipment of communication for PV power plant.Through monitoring the operating data,state of the equipment and collecting the effective information such as equipment simulation,switches etc.could realize the safe and reliable services of data acquisition, storage and transport.The equipment can be set in power monitoring room or directly embedded in the power generation equipment to monitor the single or several machines,and effectively reduce the user’s cost.Through communication RS232/485or GPRS,the equipment can realize local and remote monitoring of management;the equipment supports RS485,CANBus bus communication.【Features】◇Humanistic human-machine interface◇Supporting remote monitoring or local monitoring◇Continuously monitoring PV grid-connected power plant operating condition◇PC communication interface RS232/485,built-in GPRS;Equipment communication interface RS485, CAN Bus◇Built-in data memory ◇Acquisition,storage,transferring data,convenient and quick【Technical Parameters】Power Supply Voltage+24VOutput Power Voltage+5VAnalogue Input Interfaces4Switching Input Interfaces4Communication Interface Position Machine communication interface:RS232/485,built-in GPRS; Equipment communication interface:RS485,CANBusOperating Temperature0~55℃Power Consumption5WEnclosure IP20IV.System IntegrationProfessional solar PV system solutions and services serve establishment of global solar power stations. Design,system integration,project contracting,operations and maintenance.To provide one-stop solar power system solutions and services.Weihai Eastern Power Co.,Ltd is committed to the mission of“serving every family with green power”and concentrate on PV system integration business.With years’technological experience and project experience,taking PV system integration as the core, Eastern Power provides a set of diverse services of solar power stations’project approval,consulting, design,system integration,EPC,operations and maintenance,investment and financing,etc.Advantage of Eastern Power independent research solar power generation system.Best cost control with professional design and construction.PV grid-tied system and power metering technology. Technique of modular and intelligent solar power station system integration.rge A nd Middle S cale PV P ower S tation【Product File】Because of taking up vast area of open ground,large and middle scale PV power station is suitable to build on barren hills,wasteland and desert,coastal shoal etc,so that the land can be used efficiently.【Solutions】Providing personalized and fully optimized design of PV grid-connected power station in allusion to desert,wasteland,deep hole,barren hills and rocks etc various complex landforms,to realize the best combination of economy and reliability,ensure the maximum solar power with minimum cost.The project period has been shortened with delicate schedule and execution of project designs, equipment supply,construction and installation,etc.Independent R&D high power PV grid-tied inverter and monitor system make the power station stable and reliable.2.Small Scale PV Power System【Product File】Small scale(on-grid/off grid)PV power system takes up small area of open ground,directly power the local requirement without long distance transfer loss.These PV power systems are also suitable for power supply of remote area,communication base station etc. 【Solutions】Matured PV power equipment supports to provide DIY system integration solution packages with low cost,easy installation and excellent solar products.3.BIPV&BAPVBIPV use the PV modules as building components,or surface material.BAPV refers to that the PV modules are built directly onto the surface of a building.With the numerous experience of design and construction of flat roofs,sloping roofs and color steel tile roofs,Eastern Power reduces the cost of construction and operation with the perfect combination between architectural beauty and photovoltaic power.。
