2.1.3 Batteries and Power Processing Hardware

2.1.3.a. Flooded Lead-Acid Batteries

Specifications: 12/24/48 V nominal, minimum 100 Ah capacity at C/20 rate

2.1.3.a.1 - 2VDC Flooded lead acid

Suggested Quantity:  Depends on the nominal battery voltage selected (Minimum 12Vdc is required to operate smaller inverters. Real-world battery banks are often 24 or 48 volts, made up of 6-volt-deep cycle units.)

Importance Rating:Advanced.

Comments:This is an optional purchase used to operate battery-based, stand-alone and hybrid inverters.

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2.1.3.b. Valve-Regulated Lead-Acid Batteries  

2.1.3.b.2 – Valve Regulated Lead-Acid

Specifications:  12/24/48 V nominal, minimum 100 Ah capacity at C/20 rate

Suggested Quantity: Minimum 12Vdc for operate smaller inverters (Real-world battery banks are often 24 or 48 volts made up of 6-volt-deep cycle units.)

Importance Rating:Advanced  

Comments:This is an optional purchase used to operate battery-based, stand-alone and hybrid inverters.

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2.1.3.c. Charge Controllers

Specifications: Standard pulse-width modulated (PWM) FET based and maximum power point tracking (MPPT) controllers

2.1.3.c.2 – FlexMax OutBack Charge Controller

Suggested Quantity:  Depends on battery size and voltage.

Importance Rating:Advanced.

Comments:This is an optional purchase that may be necessary for battery-based systems.

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2.1.3.d. Battery Chargers

Specifications: This is an optional purchase that may be necessary for battery-based systems.

2.1.3.d. – Iota Battery Charger

Suggested Quantity:  One.

Importance Rating:  Advanced.

Comments:This is an optional purchase used to maintain batteries. Many battery-based inverters serve as battery-based chargers as well.

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2.1.3.e. Generators      

Specifications: 4 KVA to operate with hybrid inverter systems.

2.1.3.e. – Kohler Propane Generator

Suggested Quantity: One

Importance Rating:Advanced

Comments:This is an optional purchase for demonstrating system control for multi-mode inverteres.

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