Square D, 15 kV, 2012, Automatic Paralleling Switchgear Line-Up, 28 MVA, 16 Unit System (New)

Overview

1. Square D 15 kV automatic paralleling switchgear line-up for power generation.

2. Year 2012, zero hours.

3. Rated 28 MVA at 15,000 V, 3 phase, power factor 0.8.

4. Automatic parallel switchgear with load sense demand, for prime power.

5. Control system construction: 16 unit system.

6. NEMA 3 enclosure.

Environmental and Structural Ratings

1. Rigidity wind test equal to 125 mph (201 km/h).

2. Roof load equal to 60 lb per square foot (293 kg per square meter).

3. Floor load equal to 200 lb per square foot (976 kg per square meter).

4. Rain test to 4 inches per hour (102 mm per hour).

Cubicle 1, Generators 1 to 8

1. 8 lots of auxiliary relays as required for interfacing with the generator set control panel.

2. 8 circuit breaker control switches, ESCO 24 series, with positions as required.

3. 8 sets of auxiliary breaker trip and close relays, contact rating as required.

4. 8 sets of circuit breaker position LEDs.

5. 8 emergency stop push buttons.

6. 8 Best battery diodes.

7. 4 Red Lion communications modules, two generators to each module.

8. 1 lot of miscellaneous wire, lugs, nameplates and the like.

9. 8 added control relays, 4PDT, with bases and coils wired to the terminal points for the incoming fire alarm signals from each generator enclosure.

10. One normally open contact from each relay, interconnected to 16 new terminal points in the system cubicle.

Condition

1. Zero hours.