Interview Questions.

Question 1. What Is A Solar Rooftop System?

Answer :

In a solar rooftop gadget, the sun panels are mounted inside the roof of any residential, business, institutional and business homes.

This may be of  sorts:

Solar Rooftop System with garage facility the use of battery.
Grid Connected Solar Rooftop System.
Question 2. What Is A Solar Rooftop System With Storage Facility?

Answer :

Such rooftop gadget has battery as garage facility. The sun strength is stored in the battery and can be applied in the course of night time additionally while the sun isn't always to be had.

LINUX/UNIX/SOLARIS Interview Questions
Question three. What Is A Grid Connected Solar Rooftop System?

Answer :

In grid connected rooftop or small SPV machine, the DC power generated from SPV panel is transformed to AC electricity the use of power conditioning unit and is fed to the grid both of 33kV/11kV three section strains or of 440/220 Volt three/unmarried segment line relying at the capability of the device installed at group/business establishment or residential complex and the regulatory framework specific for respective States.

These systems generate energy in the course of the day time which is utilized completely with the aid of powering captive hundreds and feed excess electricity to the grid as long as grid is available. In case, where solar power isn't always sufficient because of cloud cowl and so forth., the captive hundreds are served by means of drawing strength from the grid.

Question four. Where Such Plants Can Be Installed?

Answer :

Such rooftop systems may be hooked up at the roofs of residential and commercial complex, housing societies, community centers, authorities organizations, private establishments etc.

Question 5. What Is The Average Cost Of Grid Connected Rooftop Solar Systems?

Answer :

The average fee of grid linked rooftop sun systems is about Rs. 80 according to watt or Rs.Eight.0crore in keeping with MWp capability.

Solar strength Interview Questions
Question 6. What Is The Financial Assistance Provided By The Ministry?

Answer :

There is a provision of Central Financial Assistance of 15% of the total cost or Rs. 12 per watt or Rs. 1.20crore per MWp beneath the Grid Connected Rooftop and Small Solar Plants Programme of the Ministry. This CFA has been reduced from 30% to 15%.

Question 7. What Are The Other Fiscal Incentives Are Available For Solar Rooftop Systems?

Answer :

There are provisions of concessional import duty/excise responsibility exemption, increased depreciation and tax holiday for putting in of grid linked rooftop power plant life.

Solar Thermal Interview Questions
Question 8. What Efforts Government Is Making To Providing Loans For Solar Rooftop Systems?

Answer :

Department of Financial services has told to all Public Sector Banks to inspire home mortgage/ home improvement loan seekers to put in rooftop sun PV flora and encompass price of system in their domestic loan proposals. So a ways, nine PSBs namely Bank of India, Syndicate Bank, State Bank of India, Dena Bank, Central Bank of India, Punjab National Bank, Allahabad Bank, Indian Bank and Indian Overseas Bank have given instructions to increase loan for Grid Interactive Rooftop Solar PV Plants as home mortgage/ domestic development mortgage.

Question 9. What Is The Size Of Grid Connected Rooftop Solar System?

Answer :

The rooftop sun structures from 1 KWp upto 500 KWp or in aggregate can be installation on the roofs.

Solar Water Pumps Interview Questions
Question 10. How Much Roof Area Is Required To Set Up The Grid Connected Rooftop Solar System?

Answer :

About 10 squarem place is needed to set up 1 KWp grid connected rooftop sun system.

Question 11. What Are The Advantages Of Grid-connected Rooftop Solar System?

Answer :

Electricity technology on the intake middle and hence Savings in transmission and distribution losses.
Low gestation time.
No requirement of additional land.
Improvement of tail-cease grid voltages and reduction in machine congestion with higher self-intake of sun energy.
Local employment generation.
Solar Photovoltaic Interview Questions
Question 12. What Is The Potential Available In India?

Answer :

According to a examine conducted by means of TERI, a capability of 124 GWp SPV Rooftop plant life has been expected in the u . S .. This may be accomplished through active supports from the States.

LINUX/UNIX/SOLARIS Interview Questions
Question 13. Explain Net Metering?

Answer :

The grid related rooftop system can work on internet metering basis wherein the beneficiary can pay to the utility on internet meter reading foundation only. Alternatively  meters can also be hooked up to major the export and import of energy separately. The mechanism based on gross metering at together agreed tariff can also be followed.

Question 14. Explain Feed-in-tariff?

Answer :

In feed-in-tariff the Government gives a tariff for purchase of the solar electricity generated from such plant life.

Question 15. Among Net Metering And Feed-in-tariff What Is Preferred?

Answer :

Net metering mechanism is greater famous among States.

Question sixteen. In Case Of Grid Failure, Is There Any Chance For Shocks To The Person Who Is Repairing?

Answer :

In case the grid fails, the sun electricity needs to be completely applied or stopped immediately feeding to the grid with a view to secure-defend any grid person/technician from getting surprise (electrocuted) even as operating on the grid for renovation and so on. This feature is named as ‘Islanding Protection’.

Question 17. What Are Requirements From State To Promote Grid-related Rooftop Solar Systems?

Answer :

States ought to have conducive solar policy to permit the grid connectivity.
State Regulators have issued tariff order for suitable tariff, internet-metering/feed-in tariff and the grid connectivity, and
The Distribution Companies conform to permit grid connectivity and buy the energy on feed-in-tariff or through net metering arrangement.
Question 18. How Many States Have Policies To Promote Grid-related Rooftop Solar Systems?

Answer :

So a ways, 13 States/UTs particularly Andhra Pradesh, Chhattisgarh, Delhi, Gujarat, Haryana, Karnataka, Kerala, Punjab, Rajasthan, Tamil Nadu, Uttarakhand, Uttar Pradesh and West Bengal have notified regulations that consist of merchandising of grid related rooftop sun structures with net metering. Regulation from the State Electricity Regulatory Commission is likewise required to permit net metering/ feed-in-tariff.

Solar electricity Interview Questions
Question 19. How Many States Regulators Have Notified Orders To Promote Grid-linked Rooftop Solar Systems?

Answer :

20 State/UT Regulators from Andhra Pradesh, Chhattisgarh, Delhi, Gujarat, Haryana, Karnataka, Kerala, Odisha, Punjab, Rajasthan, Tamil Nadu, Uttar Pradesh, Uttarakhand and West Bengal, Andaman & Nicobar, Chandigarh, Dadra & Nagar Haveli, Daman & Diu, Lakshadweep, Pondicherry and Goa have to date issued those rules for internet metering/gross metering.

Question 20. What Is The Present Status About Sanctions Under The Grid Connected Rooftop Solar Programme?

Answer :

The Ministry has thus far sanctioned 361 MWp combination capacity of grid linked rooftop sun systems within the us of a of which forty two MWp have been commissioned.

Question 21. What Are The Grid Connectivity Levels For Such Systems?

Answer :

The Projects under those guidelines fall within two extensive classes i.E.(a) the tasks related to HT voltage at distribution community (i.E. Underneath 33 kV) (b) the initiatives linked to LT voltage i.E. Four hundred/415/440 volts (3-phase) because the case can be or 230 volts (1-section). Accordingly, the projects may be beneath the subsequent  categories.

Category 1: Projects related at HT stage (below33kV) of distribution network:

The Projects with proposed installed capacity of minimal 50 kW and upto 500 kW and related at under 33kV shall fall inside this category. The projects will must observe suitable technical connectivity requirements on this regard.

Category 2: Projects connected at LT degree (four hundred Volts-3 section or 230 Volts-1 section):

The Projects with proposed mounted capability of less than100kW and linked of the grid at LT stage (four hundred/ 415/ 440 volts for three-section or 230V for1-segment) shall fall within this class.

Question 22. What Are The Business Models That Can Facilitate The Promotion Of Grid Connected Rooftop Solar Systems?

Answer :

There may be many viable commercial enterprise fashions, a number of which may be considered are as follows:

Solar installations owned through customer:

Solar Rooftop facility owned, operated and maintained by using the purchaser(s).
Solar Rooftop facility owned with the aid of consumer but operated and maintained by means of the 3rd birthday celebration.
Solar installations owned, operated and maintained through 3rd Party:

If the 3rd party implements the sun facility and provides offerings to the customers, mixtures could be:

Arrangement as a captive generating plant for the roof proprietors:

The 3rd birthday celebration implements the power on the roof or within the premise of the customers; the patron can also or may not make investments as fairness in the facility as at the same time agreed among them. The strength is then sold to the roof owner.
Solar Lease Model, Sale to Grid:

The 3rd celebration imposing the solar facility shall input into a lease agreement with the patron for medium to long time basis on hire. The facility is totally owned by using the 3rd celebration and consumer isn't always required to make any funding in facility. The power generated is fed into the grid and the roof pinnacle owner receives a hire.
Solar Installations Owned by the Utility:

Solar installations owned operated and maintained by way of the DISCOM:

The DISCOM may additionally very own, operate and preserve the solar facility and also may additionally favor to sub settlement the operation and maintenance activity. The DISCOM may also recover the fee in the form of appropriate tariff. The energy technology will also be utilized by DISCOM for pleasant the sun renewable buy duty.
Distribution licensee offers suitable viability gap budget:

The DISCOM can also employ a 3rd party to enforce the solar facilities on its behalf and offer appropriate price range or viability hole budget for implementing such facility.
Question 23. Which Organizations Are Setting Up The Projects For End Users?

Answer :

The programme is being implemented via multiple corporations for speedy up-scaling in an inclusive mode.

These businesses are:

State Nodal Agencies(SANs)

Solar Energy Corporation of India (SECI)

Channel Partners:

a) Renewable Energy Service Providing Companies (RESCO)
b) System Integrators
c) Manufactures of any component of the Solar Plants
d) Project developers
e) Vendors/ providers of solar equipment
f) Reputed and relevant NGOs of National degree
Financial Institutions/Financial Integrators:

The Financial Institutions like NABARD, National Housing Banks, Other Banks, IREDA, SECI and so forth.

Other Govt. Departments/Agencies:

The other Govt. Departments/Agencies i.E., Railways, Defense/Para Military Forces, Local Government Bodies including Municipal Corporations/Municipalities, PSUs, Institutions, Development Authorities, DMRC, State Departments inquisitive about at once imposing the programme.

Question 24. What Is The Gross Potential Of Solar Power In The Country?

Answer :

India is endowed with massive solar strength ability. About five,000 trillion kWh in keeping with yr energy is incident over India’s land place with most elements receiving 3-five kWh in keeping with sq. M in step with day. Based upon the provision of land and solar radiation, the capability of sun power in the united states has been assessed to be 750 GWp.

Solar Thermal Interview Questions
Question 25. Scheme For Development Of Solar Parks And Ultra Mega Solar Power Projects?

Answer :

The scheme for development of Solar Parks and Ultra Mega Solar Power Projects has been rolled out via Ministry of New & Renewable Energy 12-12-2014. The Scheme has been conceived on the traces of the “Charanka Solar Park” in Gujarat that is a primary-of-its-type large scale Solar Park in India with contiguous advanced land and transmission connectivity.

This scheme envisages supporting the States in setting up solar parks at various places within the us of a so that you can create required infrastructure for setting up of Solar Power Projects. The solar parks will offer appropriate evolved land with all clearances, transmission machine, water get right of entry to, street connectivity, communication network, and so on. This scheme will facilitate and speed up installation of grid linked sun strength initiatives for strength era on a massive scale. All the States and Union Territories are eligible for benefitting below the scheme.

Salient Features:

It is proposed to set up at the least 25 Solar Parks and Ultra Mega Solar Power Projects focused on over 20,000 MW of solar energy established capability inside a span of 5 years beginning from 2014-15.
The capability of the Solar Parks will be 500 MW and above. However, smaller parks may be taken into consideration in Himalayan Region & different hilly States wherein contiguous land can be tough to accumulate in view of tough terrain and in States where there is acute scarcity of non-agricultural land. 
The sun parks may be developed in collaboration with the State Governments and their groups. The desire of enforcing business enterprise for developing and preserving the park is left to the State Government.
The enforcing company will be sanctioned a furnish of upto Rs.25 Lakhs/Park for making ready Detailed Project Report (DPR) of the Solar Park.
Thereafter, software may be made by means of the enforcing agency to Solar Energy Corporation of India (SECI) for the provide of up to Rs. 20 lakhs/MW or 30% of the venture cost consisting of Grid-connectivity fee, whichever is decrease. The approved provide can be launched by SECI as in step with milestones prescribed inside the scheme.
Subsequently, in-precept approval became accorded to sixteen Solar Parks of mixture ability of 12120 MW deliberate to be set up in 10 States (A.P, Gujarat, Rajasthan, M.P, Telangana, Punjab, U.P, Tamil Nadu, Meghalaya and Karnataka). Grant of Rs. 141.50 Cr. Has been released to Solar Energy Corporation of India (SECI) by means of 31st December, 2014.
M/s AP Solar Power Corporation Pvt. Ltd. A JV amongst SECI, AP Genco and NREDCAP, is setting up a Solar Power Park of capacity 1500 MW at Anantpur & Kadapa. M/s NTPC has deliberate to installation 1000 MW in the said Solar Park.