Power Quality Analysis in PV Plants

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What does NOCT stand for in the context of solar panels?

National Organic Cell Tracking

New Optimal Cooling Technology

Normal Operating Cell Temperature (correct)

Nominal Output Control Technique

Under what conditions is NOCT testing conducted for solar panels?

1000 W/m² irradiance, 25°C ambient temperature, and no wind

600 W/m² irradiance, 15°C ambient temperature, and 5m/s wind speed

400 W/m² irradiance, 30°C ambient temperature, and 2m/s wind speed

800 W/m² irradiance, 20°C ambient temperature, and 1m/s wind speed (correct)

What is the capacity of the SMA-STP 60-01 inverter model used in the plant?

60kWac (correct)

70kWac

80kWac

50kWac

How many PV modules are used in the plant?

41800 Signup and view all the answers

What does STC stand for in relation to solar panels?

Standard Testing Conditions Signup and view all the answers

What is the tilt angle at which the PV module is placed for NOCT testing?

45° Signup and view all the answers

What is the total capacity of the PV plant (Group A + Group B) mentioned in the text?

12.18 MW Signup and view all the answers

How many inverters are grouped with a total capacity of 0.96 MW in the text?

16 inverters Signup and view all the answers

What is the voltage level of Cable-TR14 mentioned in the text?

0.305 kV Signup and view all the answers

How many Cable-TR instances are mentioned in the text?

10 instances Signup and view all the answers

What is the total capacity of inverters grouped with TR-03 and TR-06?

3.84 MW Signup and view all the answers

Which Cable-TR has the longest length mentioned in the text?

Cable-TR09 Signup and view all the answers

What does 'TR-02 1.5 MVA LV-07 0.4kV 0.015 km' refer to in the load flow analysis?

The power rating and voltage level of a transformer Signup and view all the answers

What is the main objective of the power quality analysis mentioned in the text?

Assess the steady-state loading and voltage profile after introducing the PV plant Signup and view all the answers

What is the significance of analyzing the power quality impact of a PV plant on the grid?

To ensure compliance with grid code requirements Signup and view all the answers

Why is it important to assess steady-state loading and voltage profile after introducing a PV plant?

To ensure that the PV plant does not affect system stability Signup and view all the answers

What does the term 'System Equivalent = 18.5kA, X/R=10' indicate in the context of power quality analysis?

An equivalent short-circuit current for system components Signup and view all the answers

What role does 'Ref voltage at 132kV busbar= 1.0 p.u.' play in power quality analysis?

Setting a reference point for voltage calculations in the system Signup and view all the answers

What is the power factor of L1 according to the provided data?

0.935 Signup and view all the answers

At what power factor does L2 operate based on the information provided?

0.90 Signup and view all the answers

What is the X/R ratio of the system based on the details given?

10 Signup and view all the answers

What does the system rely on to maintain a voltage of 1.1 pu according to the details provided?

Reactive power support of the PV Signup and view all the answers

What is the purpose of the note 'System Analysis Summary for Reactive power assessment'?

To assess reactive power needs Signup and view all the answers

Who is credited with providing valuable information in the text?

Eng.Mustafa El-Sissi Signup and view all the answers

What is the formula to calculate the loss in the PV system discussed in the text?

12MW - (11km + 23km + 0.5km) - (120MVA + 2MVA) Signup and view all the answers

What is the average Power Factor (PF) for Load 1?

0.935 Signup and view all the answers

What is the System Equivalent value mentioned in the text?

18.5kA Signup and view all the answers

Which case in the contingency analysis involves considering N-1 for one 33kV cable circuit?

Case 2 Signup and view all the answers

What is the Power Factor (PF) for Load 2 as mentioned in the text?