Grid Tie SR-1000-G, Installation And Operation Manual

Page 1: ...SR 2000 G SR 1000 G SR 1500 G SR 600 G SR 500 G SR 300 G SR 250 G Installation and Operations Manual SR G Series Grid Tie Power Inverter 1 ...

Page 2: ... Grid Tie Inverter Installation 7 Advantage of SR G Grid Tie System 6 Instruction of SR G Series Grid Tie Inverter 5 SR G series Grid Tie Inverter Models 3 Model Name Description 4 Important Safety Information 4 Safety Instruction 4 Installation Procedure 8 Step 1 Considering the Total Capacity of the grid tie power system that you need 8 Step 2 r 9 Step 3 Selecting Accessory for Grid Tie Power Sy...

Page 3: ...250W 225W 10 8V 30V 190V 260V 46Hz 65Hz 190V 260V 46Hz 65Hz 90 91 90 91 0 1W 0 1W 0 1W 0 1W 0 1W 0 1W 0 1W 0 1W 0 2W 0 2W 0 2W 0 2W 0 2W 0 2W 0 2W 0 2W 0 5W 1 5W 0 5W 1 5W 1 5W 1 5W 1 5W 1 5W 90 91 90 91 90 91 90 91 90 91 90 91 90 92 90 92 92 92 92 92 22V 60V 22V 60V 22V 60V 10 8V 30V 300W 270W 90V 140V 46Hz 65Hz 90V 140V 46Hz 65Hz 22V 60V 10 8V 30V 10 8V 30V 500W 450W 500W 450W 190V 260V 46Hz 65H...

Page 4: ...icate dangerous conditions and important safety instructions WARNING This indicates a situation where failure to follow instructions may be a safety hazard or cause equipment malfunction Use extreme caution and follow instructions carefully NOTE This indicates information particularly important for optimal system operation Follow instructions closely WARNING Inverters is the heat sink and can reac...

Page 5: ...r of grid tie inverter should be matched to the power of solar panels connected So the power of SGPV is defined by its solar panels it can be standardization according to the actual using The inverter can be connected to any outlets of utility grid at house The small grid tie inverter monitors the volume frequency and phase of the home utility grid then produce pure sine wave AC power that the fre...

Page 6: ...h the traditional grid inverter has MPPT feature Maximum Power Point Tracking but the maximum power point is according to the entire series in terms of solar panels array if the performance of a piece of solar panels in the system for some reason such as leaves bird droppings dust shadow etc and degrades the performance of the entire solar power system will decrease SGPV has no such disadvantage I...

Page 7: ...form all electrical installations in accordance with all local electrical codes and the National Electrical Code NEC WARNING grid only after receiving prior approval from the utility company WARNING Be aware that only qualified personnel should connect the electrical utility grid WARNING Be aware that installation of this equipment includes risk of electric shock Normally grounded conductors may b...

Page 8: ...ances that are being used in the installation site is larger than the output power of the grid tie power system these power from the system will be consumed in the site this will slow down the power meter otherwise the difference of the output power from the system between the total used power of the appliances will feed to the utility grid For example if you want to install a grid tie power syste...

Page 9: ...type 245W solar panels consist of 60 PCS 156 156 Poly solar cells are shown below Module Efficiency 14 8 Pmax 245W Vmp 29 4V Imp 8 34A Voc 36 9V Isc 8 68A Note These specifications are under Standard Test Conditions STC STC Irradiance 1000W m2 Cell temerature 25 Air mass AM1 5 according to EN60904 3 Module Efficiency is the converting efficiency that the module converts the energy of light into el...

Page 10: ...n the Rated Power Peak of the inverter that you will connect 2 The total Voc of solar panels should be less than the maximum point of the DC input range of the inverter it is according to the connecting method if you connect solar panels in parallel all panels must have same Voc the Pmax of each panel can be different or same so the total Voc is as same as one Voc but if you connect solar panels i...

Page 11: ...Imax then we can pick suitable cables according to Table 2 It s the best that you choose solar cables for outdoor use Selecting Connectors When installing the SGPV system maybe you should use some connectors for connecting solar panels and inverter Most of these connectors are shown as below MC4 Connectors Connectors for parallel connecting Selecting AC cables AC cables will be supplied with inver...

Page 12: ...1 02362 0 823 6 385 20 9428 2 3 17 kHz 19 0 0359 0 91186 0 653 8 051 26 40728 1 8 21 kHz 20 0 032 0 8128 0 518 10 15 33 292 1 5 27 kHz 21 0 0285 0 7239 0 41 12 8 41 984 1 2 33 kHz 22 0 0254 0 64516 0 326 16 14 52 9392 0 92 42 kHz 23 0 0226 0 57404 0 258 20 36 66 7808 0 729 53 kHz 24 0 0201 0 51054 0 205 25 67 84 1976 0 577 68 kHz 25 0 0179 0 45466 0 162 32 37 106 1736 0 457 85 kHz 26 0 0159 0 4038...

Page 13: ...r You can use screws to fix tie inverter have fans on the bottom cover so the surface should be flat Step7 After finished from Step1 to Step6 you should connect the solar panels and inverters with cables Step8 Grounding the system Route a continuous GEC through each of the solar panels to the NEC approved AC grounding electrode The racking and module could be grounded to this conductor using a cri...

Page 14: ... 14 8 Pmax 245W Vmp 29 4V Imp 8 34A Voc 36 9V Isc 8 68A so use 4 PCS of this type panels we can get total power TPmax 245Wp 4 980Wp nverter Notes The Pmax specification of solar panel is under STC the actual power is variational according to the irradiation on the panel and the temperature surroundings The real output power can t reach Pmax at most time in whole day 3 Selecting Accessory for Grid ...

Page 15: ...solar panels will be same as Voc of one panel and the TVmp also is same as Vmp of one panel So we can get the specifications of the solar panels array with solar panels connected each other TPmax 245W 4 TVmp 29 4V TImp 8 34A 4 TVoc 36 9V TIsc 8 68A 4 cause the DC input voltage range of this model is 22V to 60V so the TVoc and TVmp is in the DC input voltage range With method 2 we also can get the ...

Page 16: ...d Installing larger capacity of grid tie power system Sometimes maybe you are willing to install larger capacity of grid tie inverter in your house this is also very easy to operate For example you want to install 2KW grid tie power system you can install two 1KW grid tie power systems as shown in Fig 5 two AC output cables should be all connected to the AC outlet of the utility grid with the plug...

Page 17: ...her s If so neither of the inverters can find the correct maximum power point MPP this will reduce the efficiency of the system Shown in Fig 7 Solar Panel Array Fig 7 Error Connecting of DC Input Terminals You can install any capacity of grid tie power system by stack small grid tie power systems For example if you want to install 12KW grid tie power system there are many choices you can stack six...

Page 18: ...Gird Tie Power System is larger intall all the power system to one phase of the utility grid is not reasonable maybe this will cause unbanlance of the three phase of the utility grid wer System to three phases utility grid seperately in order to balance the fed power A B C 3 phases N Neutral G Ground A B C G N Fig 8 Three Phases Grid Tie Power System ...

Page 19: ...Wp it s very easy to install this kind small system just need DC cables and few connectors to connect the system For example you can choose a 245Wp solar panel or two 120Wp solar For example installing a 3KW grid tie power system to three phase utility grid The diagram is shown in Fig 8 we seperate 3KW power sytem to three power system units every unit has 1KW power Connecting every system unit to...

Page 20: ...ing a 250W gird tie power system with a TY 250 G grid tie power inverter and two 125Wp solar panels Fig 10 250W grid tie power system with two solar panels It doesn t matter that you connect small power solar panels like 60Wp 85Wp or other power to the inverter the specification of total panels must meet the specification that you choose according to the principle that mentioned in this user manua...

Page 21: ...connect to the negative wire of solar cables that connected with the negative pole of the solar panels Power Level LED The three green LED indicators will start to cycle from left to right when the grid and DC supply is detected This indicates the inverter is operating under normal condition The rate of the cycle flashing is according to how much output power is being fed to the utility grid The m...

Page 22: ...e utiltiy grid AC Output Voltage Switch This switch is an unique set just ch with this switch you can set the inverter for 220V to 240V utility grid of many European countries and other countries when the switch is set to 230V position or set the inverter for 100V to 120V utility grid for many countries like USA Japan and other countries when the switch is set to 115V position WARNING Don t change...

Page 23: ...nning time function record load cumulative working hours 3 Backlight function 4 Power down data save function save the number of kWh operation time 5 Large screen LCD display display voltage current active power electric energy cumulative running time LCD Displayer Function Selecting Buttons UP Short press will display power electric energy current and voltage in anti sequence DOWN Short press wil...

Page 24: ... Drawing Outline Drawing of SR G Series Grid Tie Power Inverter There are some common specifications of SR G Series Grid Tie Power Inve 24 rter shown in Table 3 Other electrical specifications of every model are listed in Table 1 DC Input Panel DC Input Panel AC Output Panel AC Output Panel ...

Page 25: ...g 19 SR 2000 G X X Outline Drawing Fig 18 SR 1500 G X X Outline Drawing Fig 17 SR 1000 G X X Outline Drawing 25 DC Input Panel AC Output Panel AC Output Panel DC Input Panel AC Output Panel DC Input Panel ...

Page 26: ...nd the outlet of the utility grid you can use a multi meter to measure the AC voltage or frequency then you can judge what s wrong about the AC output b When this red LED is flashing slowly this indicates that the DC input voltage is too low or the DC connection is not good You should measure the output voltage of solar panel or solar panel array c when this red LED is flashing fastly this indicat...