Glossary Archive Solar Glossary - Morningstar Corporation https://www.morningstarcorp.com/glossary/ The world's leading solar controllers and inverters. Mon, 02 May 2022 21:30:46 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.1 https://www.morningstarcorp.com/wp-content/uploads/cropped-Morningstar-favicon-32x32.png Glossary Archive Solar Glossary - Morningstar Corporation https://www.morningstarcorp.com/glossary/ 32 32 Watts (W) https://www.morningstarcorp.com/glossary/watts-w/ Mon, 02 May 2022 21:30:03 +0000 https://www.morningstarcorp.com/?post_type=glossary&p=23655 Unit of power calculated by multiplying Amps by Voltage.

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]]> Unit of power calculated by multiplying Amps by Voltage.

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]]> Voltage https://www.morningstarcorp.com/glossary/voltage/ Mon, 02 May 2022 21:29:27 +0000 https://www.morningstarcorp.com/?post_type=glossary&p=23654 Electric potential or potential difference expressed in volts.

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]]> Electric potential or potential difference expressed in volts.

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]]> Volt (V) https://www.morningstarcorp.com/glossary/volt-v/ Mon, 02 May 2022 21:28:59 +0000 https://www.morningstarcorp.com/?post_type=glossary&p=23653 The potential difference across a resistance of one ohm when one ampere is flowing through it.

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]]> The potential difference across a resistance of one ohm when one ampere is flowing through it.

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]]> Transient Surge https://www.morningstarcorp.com/glossary/transient-surge/ Mon, 02 May 2022 21:27:21 +0000 https://www.morningstarcorp.com/?post_type=glossary&p=23652 A sudden release of stored energy due to incidents such as nearby lightning strikes, unfiltered electronic equipment, arcing, or generators being switched ON and OFF.

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]]> A sudden release of stored energy due to incidents such as nearby lightning strikes, unfiltered electronic equipment, arcing, or generators being switched ON and OFF.

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]]> Resistance (Ω) https://www.morningstarcorp.com/glossary/resistance/ Mon, 02 May 2022 21:24:29 +0000 https://www.morningstarcorp.com/?post_type=glossary&p=23651 The opposition offered by a body or substance to the passage through it of a steady electric current.  Resistance is measured in ohms (Ω).

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]]> The opposition offered by a body or substance to the passage through it of a steady electric current.  Resistance is measured in ohms (Ω).

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]]> DB-9 https://www.morningstarcorp.com/glossary/db-9/ Mon, 02 May 2022 21:22:07 +0000 https://www.morningstarcorp.com/?post_type=glossary&p=23650 The nine pin serial “port” that Morningstar uses for RS-232 communications connectivity.

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]]> The nine pin serial “port” that Morningstar uses for RS-232 communications connectivity.

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]]> RS-232 https://www.morningstarcorp.com/glossary/rs-232-2/ Mon, 02 May 2022 21:17:21 +0000 https://www.morningstarcorp.com/?post_type=glossary&p=23649 Serial communication protocol/standard available on several Morningstar products. Often requires a 9-pin serial cable (DB-9) to connect to your computer. If your computer is not equipped with a 9-pin serial […]

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]]> Serial communication protocol/standard available on several Morningstar products. Often requires a 9-pin serial cable (DB-9) to connect to your computer. If your computer is not equipped with a 9-pin serial power, a USB-Serial adapter is required.

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]]> Power https://www.morningstarcorp.com/glossary/power/ Mon, 02 May 2022 21:16:23 +0000 https://www.morningstarcorp.com/?post_type=glossary&p=23648 The product of Amps multiplied by Volts and measured in Watts (W).

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]]> The product of Amps multiplied by Volts and measured in Watts (W).

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]]> Pulse width modulation (PWM) https://www.morningstarcorp.com/glossary/pulse-width-modulation-pwm/ Mon, 02 May 2022 21:15:47 +0000 https://www.morningstarcorp.com/?post_type=glossary&p=23647 An older charging technology than MPPT that switches on and off to regulate solar array power output down to acceptable levels that can be handled and supported by batteries.  Controllers […]

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]]> An older charging technology than MPPT that switches on and off to regulate solar array power output down to acceptable levels that can be handled and supported by batteries.  Controllers using PWM charging are generally less expensive than MPPT controllers but they deliver less power and generally don’t support  60 cell modules and oversized arrays.

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