A3354293 Rev A (CECOM PD for 150 kW Load Bank).pdf

CECOM PURCHASE DESCRIPTION

FOR

A3354293 Rev A (CECOM) Approval Date: 22 May 2015

COMMERCIAL PATRIOT LOAD BANK U/W 150 kW 400 Hz EPP III GENERATORS Transportability Requirements

1. Channels for transportation by Fork Lift.

2. Must not exceed maximum dimensions of 54” W x 61” L x 72” H.

3. Must not exceed 1200 lbs.

4. Any Cables shall be contained in a Pelican brand case or equivalent with handles for carrying.

Power Load Capacity & Design Requirements

1. 208 VAC, 3‐phase, 4‐wire, 400Hz:

a. Must be able to safely operate in a range of 200‐230 VAC.

b. Must be a 4‐wire configuration to include a neutral wire with a separate ground.

2. Must provide a minimum of 150 kW Resistive Load.

3. Must be able to increment resistive load in steps of 5 kW from zero to maximum load.

4. Requires no cool down period after load is dropped/

5. Control and Blower circuitry must run off of internal (generator provided) power and require no external power.

Environmental Requirements

1. Must be designed for indoor\outdoor installation.

2. Dust Resistant.

3. Shock Resistant (Anti‐Shock).

4. Vibration Resistant (Anti‐Vibration).

Paint Requirements

1. Must be painted to standard commercial practices to protect against corrosion.

Cable Requirements

1. Must include a power cable which meets the following requirements:

a. Minimum 15 ft length.

b. Built‐in connector for connection with Load Bank.

c. Soldered pigtail leads for connection to the Generator Set Junction Box.

Instrumentation Requirements

1. The load bank must contain the following instrumentation: Voltmeter, Ammeter, Frequency Meter, Power

Indicator Lights, In‐phase & Out‐of‐phase Indicators, and Circuit Protection Indicator

Safety Requirements:

1. Improper Airflow Protection

a. Load shall not be applied to the Load Bank if the blower is not functioning properly.

2. Thermal Overload Protection

a. Load shall not be applied to the Load Bank if an exhaust temperature of 350 degrees F or greater is reached.

3. Circuit Breaker Protection

a. Blower circuitry shall be protected from overcurrent conditions.

b. Control circuitry shall be protected from overcurrent conditions.

Enclosed #13