Solar Power Plant in UAE 01

Solar Power Plant in Dubai 01

This is one of our Solar Power plant which is installed on the rooftop in Dubai, United Arab Emirates (UAE). Specifications of this power plant are given below:

Sr. No.	About	Details
1	Installed DC Capacity	370KWdc
2	Installed AC Capacity	336KWAC
3	Number of Solar PV Modules	854
4	Number of Solar PV Inverters	8
5	Solar PV Modules Manufacturer	Sun Power
6	Solar PV Inverter Manufacturer	Huawei

Components of Solar PV Plant

Now we will discuss each and every individual component of this Solar PV Power Plant in Details. In this article, we will also discuss the design and layout of this power plant and how difficult it is to maintain this power plant based on its design.

Solar PV Module:

As mentioned above there are 854 solar PV modules. These PV modules are Monocrystalline solar PV modules manufactured by Sun Power. All 854 solar PV modules are of the same rating which is 435W_p. Size in terms of area for this solar PV module is approximately 2m².

Further details of Solar PV Module are given in the below table:

Sr. No.	About	Details
1	Rated Power (Pmax)	435W
2	Voltage (Vmp)	72.9V
3	Current (Imp)	5.97A
4	Open Circuit Voltage (VOC)	85.6V
5	Short Circuit Current (ISC)	6.43A
6	Maximum Series Fuse	15A
7	Fire Class	C
8	Application Class	A

Above values are based on the standard Test Conditions (STC) which are 1000W/m² Irradiance, Air Mass (AM) 1.5, and Cell Temperature 25^oC. This Solar PV module is suitable for Ungrounded, Positive Grounded or Negative grounded DC system. This Solar PV module is approved my DEWA you can verify it from the list of equipment given on the DEWA website.

Solar PV inverter:

There are total 8 Solar PV inverters for this Solar Power Plant as mentioned above. These solar PV inverters are manufactured by Huawei. The rated capacity for these Solar PV Inverters is 42KVA.

Further details of Solar PV inverters are given in below table:

Sr. No.	About	Details
1	DC Maximum Input Voltage	1100VDC
2	DC Maximum Input Current	22A (for each MPPT)
3	Short Circuit Current (ISC)	30A (for each MPPT)
4	DC MPPT range	200 to 1000 VDC
5	Nominal Output Voltage AC	480 VAC (3 Phase)
6	Nominal Operating Frequency	50/60 HZ
7	Rated Output Power AC	42KVA
8	Maximum Output Power AC	47KVA
9	Maximum Output Current AC	56.6A
10	Power Factor	0.8(lagging) to 0.8(leading)
11	Range of Operating Temperature	-25 to +80oC
12	Enclosure	IP65
13	Protection Class	I
14	Communication	PLC/RS485
15	Number of MPPT	4

These Solar PV inverters are mounted on the wall. As mentioned above these are IP65 rated so these Solar PV modules are suitable for outdoor mounting.

There are total of 8 DC inputs and 4 MPPTs. That means there are 2 string inputs for each MPPT. There are 2 AC outputs for this solar PV Inverter. There are also 3 Com inputs available in this Inverter. There are 2 DC switches to disconnect the DC load from the inverter.

DC String Cables:

When two or more than two solar PV modules are connected in series they for a string. When two or more than two strings are connected in parallel they for an Array.

For this Power plant, some strings are consists of 10 Solar PV modules and some strings are consists of 11 solar PV modules. There are total of 10 strings per inverter. There are total of 6 strings are connected directly to the inverter and 2 arrays are connected to these inverters.

Size of DC string cable is 4mm² copper. This DC string cable is manufactured by DUCAB.

AC Output Cables:

For this Power Plant we have taken 1 AC output from each inverter. Cable size for these inverters is 25mm², 3core AC cable. This AC Cable is manufactured my DUCAB.

There is also 150mm², 3core AC cable from AC combiner box to the point of connection.

AC Combiner Box:

There is a 1 AC combiner box for this Solar PV Power Plant. There are 8 inputs of 25mm² and 2 outputs of 150mm² cables. This AC combiner box has Circuit breaker for each individual Solar Inverters and 1 Main Circuit Breaker. This AC combiner box is also equipped with Interface protection Relay.

Breakers and Relays:

All the circuit breakers used in this Plant are manufactured by ABB. There is a 1 Main Motorized Circuit Breaker in AC Combiner Box which is which is rated as 630A. There are 8 Solar Inverter Isolators each is rated as 40A.

CM-UFD is used as interface protection relay which is manufactured by ABB for this plant. We have also used fuses and surge arrester for the protection from surges.

Mounting Structure:

This Solar PV Power Plant is a roof-mounted power plant. The mounting structure for this power plant is based on a single mounting structure for a single PV panel. For this Power plant, we have used Aluminum mounting structure which is rust free and long-lasting. For the mounting of Solar PV modules, we have used concrete blocks. The weight of each concrete block is 40KG.

Cable Trays:

We have used different sizes of cable trays for this Solar PV Power Plant which varies from 50mm to 400mm in width. The length for each cable tray is the same as 1.8m. All the cable trays are made of the same material which is GI.

If you like this information about this plant please give us your feedback through your comments, so that we could bring such information about new Projects.