On Grid Power Plant
On Grid Power Plant

Solar On Grid Power Plant

On Grid Power Plant

A Grid Tied Photo Voltaic (SPV) power plant consists of : SPV array, Module Mounting Structure, Power Conditioning Unit (PCU) consisting of Maximum Power Point Tracker (MPPT), Inverter, and Controls and Protections, interconnect cables and switches
PV Array Mounting : Mounted on a suitable structure
Grid tied SPV system is : Without battery and designed with necessary features to supplement the grid power during day time.
Installation and testing for complete system : Yes including Civil Work, Designing, Fabrication, Cabling Work with suitable Bolts, Nuts, Clamps, Connectors and testing etc.,
Rated out put power of inverter (Kw) : 4
Switching device : IGBT
No. of Phase (in Nos.) : 1
Inverter output wave form : Pure sine wave
No.of MPPT per inverter (in Nos.) : 2
No. of string at input side of inverter ( input port +ve and -ve) ( hint: 1 sets contains 1 +ve and 1 -ve port) : 2 set
Maximum power point tracker : Integrated in the PCU/inverter to maximize energy drawn from the array
Operating Voltage Range of Inverter : 50 V to 500 V
Over load support at Input side, DC : 15% of Maximum Input Voltage
Maximum input current for each MPPT (in A) : 11
Service condition : Outdoor
Ingress protection rating of inverter : IP 65 (for outdoor use)
Cooling medium for inverter : Nature air cooled
Manual switch for disconnecting DC supply : Yes
Inverter mounting type : Wall Mounted
Maximum current for single phase inverter (in A) : 15.7
Output voltage (in V) : 240 V
Invert auto trip at output side : Lower : at 160 V, Higher : at 285 V with adjustable
Overall Efficiency (in %) : >96
Overlod protection : 110% for 1 Minute, ,125% for 30 sec., ,150% for 5 sec.
Over temperature protection : Yes at 65 Deg. C shutdown
Surge protection : Metal Oxide Varistor (MOV)
Insulation Resistance Monitoring : Yes
Grid Monitoring protection : Yes
Power factor at rated out put power : 0.8
Inverter body material : Aluminium Casting
Operating temperature : -25 to +60 deg. C
Type of display : LCD
Display parameters : DC Voltage ,DC Current ,AC Voltage ,AC Current ,Out put frequency ,Power Factor
Generating power Data storage facility : Yes for 2 Years from the date of commissioning
Interface facility for transmitting the generating power data for cloud storage : With Wifi Dongle
Net meter : Approved by Government of India/State Government authority concerned for connecting to Grid
DC Distribution panel to receive the DC output from the array field : Yes with surge arrestors
Ingress protection (Enclosure protection) of DC Distribution Box : IP65
Material of bus bar and size : Copper, size as per inverter rating
Circuit Breaker for input side (DC side) for each inverter : MCB 15 A
ISI Marked Connecting cables according to Inverter rating for each system : PV Module to Inverter DC
Electric Cable for Input : 1C x 6 Sq. mm, Copper Cable (as per IS:694:2010 latest)
Cable Length for PV Module to Inverter, DC (in m) : 20
AC Distribution Panel Board (DPB) for controlling the AC power from PCU/inverter : 1 Phase 230 Volt +/- 10%, 50 HZ +/-3%
Panel construction : Metal clad, totally enclosed, floor mounted, air insulated, cubical type with change over switch
Ingress protection (Enclosure protection) of AC Distribution Box : IP65 for outdoor
All switches and the circuit breakers, connectors should conform to : IS:60947 part I, II and III
Panels designed for minimum expected ambient temperature : 45 deg. C
Circuit Breaker for output side (AC side) for each inverter : MCB 32 A
ISI Marked Connecting cables according to Inverter rating for each system. : From Inverter to Net Meter
Conformity of the specification for cable : 2C x 6 Sq. mm, Copper Cable (as per IS:694:2010 latest)
Cable length for output side (from inverter to Net Meter for each system ) (in m ) : 20
Cabling work at input side for each system : With PVC Conduit pipe with necessary clamps and screws
Cabling work at Output side for each system : With Cable Tray with fitment accessories
Danger boards and signages : 1 No.
Material of mounting structure : Structural Steel, Grade: E300 (as per IS:2062:2011 latest)
Material of Junction Box : GRP( Glass reinforced plastic)
The Mounting structure shall be so designed to withstand the speed for the wind zone of the location where a PV system is proposed to be installed : Yes
Compliance to wind velocity test for the Mounting structure of PV System : as per IS 875:1987 part 3 latest
Regional wind withstand capacity which the Mounting structure of PV system support is suitable to withstand (in Km/Hour) : 180
Minimum guarantee for maintaing of out put peak watt capacity : > / = 90% at the end of 10 years and >/= 80% at the end of 25 years
On grid solar power plant manufacturers