Maximum Voc and Minimum Vmp Calculator

* This calculator may have errors, it is only for reference . The information which you calculate from this Calculator is intended for use by you as a guide only

Australian Standard AS5033-2014 Clause 3.1 Which States The Following:

 

“PV arrays for installation on domestic dwellings shall not have PV array maximum voltages greater than 600V. For non-domestic installations where the PV array maximum voltage exceeds 600V, the entire PV array and associated wiring and protection shall have restricted access.”

 

CEC accreditation pathways

Calculate Maximum Open circuit voltage of a String
(Voc corrected to lowested expected site temperature)

calculator

Panel Voc at STC:
 
? The value must be betweeen 10 to 50 (inclusive) and must be positive

Panel's temperature coefficient of Voc:
 
? The value must be betweeen 0 to 2 (inclusive) and must be positive

Minimum Temperature expected at the site, in deg Celcius:
 
? The value must be betweeen -40 to 20 (inclusive)

How many Solar Panels in a string?
 
? The value must be greater than 0

Maximum voltage of the string, (Voc) at lowest expected site temp =
0.00 Volts

Calculate minumum voltage of a String
(Vmp corrected to highest expected site temperature)

calculator

Panel Vmp at STC:
 
? The value must be betweeen 10 to 50 (inclusive) and must be positive

Panel's temperature coefficient of Vmp:
 
? The value must be betweeen 0 to 2 (inclusive) and must be positive

Maximum Temperature expected at the site, in deg Celcius:*
 
? The value must be betweeen 25 to 85 (inclusive)

How many Solar Panels in a string?
 
? The value must be greater than 0

Minimum voltage of the string, (Vmp) at highest expected site temp =
0.00 Volts
*Assuming Panels will be mounted parallel to the roof.

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