SECTION 16612

ROTARY UNINTERRUPTIBLE POWER SUPPLY

PART	GENERAL

SECTION INCLUDES

Rotary uninterruptible power supply.

RELATED SECTIONS

Section 03300 - Concrete Work: Support foundation.

REFERENCES

NFPA 70 - National Electrical Code.

NEMA MG 1 - Motors and Generators.

NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum).

SUBMITTALS

Submit under provisions of Section [01300] [_____].

Shop Drawings: Indicate outline dimensions, mounting points, and interconnecting wiring diagrams.

Product Data: Provide ratings and weights.

Manufacturer's Installation Instructions: Indicate application conditions and limitations of use stipulated by Product testing agency specified under Regulatory Requirements. Include instructions for storage, handling, protection, examination, preparation, installation, and starting of Product.

Manufacturer's Certificate: Certify that Products meet or exceed specified requirements.

Manufacturer's Field Reports: Submit under provisions of Section [01400] [_____].

Manufacturer's Field Reports: Indicate inspections, findings, and recommendations.

OPERATION AND MAINTENANCE DATA

Submit under provisions of Section [01700] [_____].

Operation Data:

Document ratings of system and of each major component.

Include instructions for starting and operating units.

Identify operating limits which may result in hazardous or unsafe conditions, or in equipment damage.

Maintenance Data:

Include routine preventative maintenance and lubrication schedule.

List special tools, maintenance materials, and replacement parts.

Include repair instructions for procedures to check, repair, and test equipment during typical malfunctions.

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing Products of the size specified in this Section with minimum [three] [_____] years [documented] experience.

REGULATORY REQUIREMENTS

Conform to requirements of NFPA 70.

Furnish products listed and classified by [UL] [testing firm acceptable to authority having jurisdiction] as suitable for purpose specified and shown.

FIELD MEASUREMENTS

Verify that field measurements are as [indicated [on shop drawings]] [instructed by manufacturer].

MAINTENANCE SERVICE

Furnish service and maintenance of uninterruptible power supply and related equipment for [one] [____] year from Date of Substantial Completion.

EXTRA MATERIALS

Furnish under provisions of Section [01700.] [_____.]

Provide [three] [____] of each size and type fuse.

PART	PRODUCTS

MANUFACTURERS

[_________________________________ Model [_________].

[________________________________] Model [_________].

[________________________________] Model [_________].

Substitutions: Under provisions of Section [01600] [_____].

ROTARY UNINTERRUPTIBLE POWER SUPPLY UNITS

Description: Rotary uninterruptible power supply for providing continuous output power during an outage of limited duration and for [changing voltage] [and] [changing AC power frequency.]

Service Conditions:

Temperature: [____] degrees F ([____] degrees C), [maximum.] [minimum.]

Altitude: [________] feet ([______] M above sea level.

Configuration: Motor-driven generator with [inertia flywheel] [and] [battery system] for energy storage.

RATINGS

Power Rating: [___] kW [at [80] [___] percent power factor].

Input Voltage: [240] [480] [____] volts, [60] [___] Hz, [single phase.] [three phase.]

Output Voltage: [120] [480] [____] volts, [DC.] [[60] [400] [50] [___] Hz, [single phase.] [three phase.]]

Output Voltage Regulation: Plus or minus [1] [___] percent steady state, with plus or minus [8] [___] percent transient state for rated load variation of [40] [____] percent.

Output Frequency Regulation: Plus or minus [0.6] [__] Hz.

Overload Capability: [10] [___] percent for [2] [__] hours.

Standby Time Rating: [15] [___] [seconds.] [minutes.] [hours.]

Harmonic Distortion: Maximum [5] percent harmonic content between phases.

Duty Cycle: [Continuous.] [_____________.]

Temperature Rise: [80] [___] degrees C.

COMPONENTS

Motor: NEMA MG1, [brushless synchronous] [low-slip squirrel-cage induction] type, rated [600] [___] rpm.

AC Generator: NEMA MG1, brushless, synchronous, externally excited type, [12] [__] wire reconnectable machine.

Shaft: Match motor and generator torque requirements. Couple generator directly to motor [through flexible shaft].

Motor and Generator Insulation: NEMA MG 1, Class F.

Voltage Regulator: Provide voltage regulator to maintain specified output voltage limits.

Rectifier: Sized to recharge battery within [4] [___] hours.

Inertial Flywheel: Cast steel, dynamically balanced with its shaft. Size to supply full load for the specified duration.

BATTERY CABINET

Battery Type: [Lead calcium.] [__________________.]

Battery Bus Voltage: [500] [___] volts.

Short Circuit Current: At least [300] [____] percent of rated current.

Cabinet: Provide metal cabinet enclosure with acid resistant paint on interior surfaces. Factory wire batteries using solid copper bars, and bring to a single field connection point. Provide insulation on exposed bus bars and provide foam spacers between batteries.

PRODUCT OPTIONS AND ACCESSORIES

Provide RFI filter.

Provide [unit-mounted] [wall-mounted] control panel with the following controls and indicators.

Manual Voltage Control: Adjustable, plus or minus [___] percent of nominal, wired to voltage regulator.

Output Voltmeter: [3-1/2] [____] inch ([90] [___] mm) square, with [2] [__] percent accuracy. Include [4] [7] position selector switch.

Output Ammeter: [3-1/2] [____] inch ([90] [___] mm) square, with [2] [__] percent accuracy. Include 4 position selector switch.

Output Frequency Meter: [3-1/2] [____] inch ([90] [___] mm) square, [reed type] [pointer type] with range of [58] [___] to [62] [___] Hz.

Running Time Meter: [3-1/2] [____] inch ([90] [___] mm) square.

Underfrequency Protection: [Automatic] [Manual] reset, set to trip at [___] percent underfrequency.

Overvoltage Protection: Automatic reset, set to trip at [__] percent overvoltage.

Output Circuit Breaker: NEMA AB 1, thermal-magnetic circuit breaker connected to generator output.

Instrument Transformers: Provide potential and current transformers as required to operate meters. Match accuracy and burden to meters specified.

Disconnect Switch: Factory mount disconnect switch [in control panel.] [on equipment under provisions of Section 16180.]

FABRICATION

Motor and Generator Enclosures: NEMA MG 1; [open drip proof.] [____________________________.]

Place entire unit in sheet metal enclosure, constructed to NEMA 250, Type [1] [___] requirements.

Finish: [________________], [______] color.

Wiring Terminations: Provide terminal lugs to match branch circuit conductor quantities, sizes, and materials indicated. Enclose terminal lugs in terminal box sized to NFPA 70.

SOURCE QUALITY CONTROL

Provide testing of unit under provisions of Section [01400.] [_____.]

Test unit to NEMA MG 1, to verify performance to specification requirements.

PART	EXECUTION

EXAMINATION

Verify conditions under provisions of Section [01039] [_____].

Verify that surface is suitable for power supply unit installation.

Do not install power supply unit until building environment can be maintained within the service conditions required by the manufacturer.

PREPARATION

Provide concrete foundation for unit under provisions of Section 03300.

INSTALLATION

Install unit in accordance with manufacturer's instructions.

FIELD QUALITY CONTROL

Field [inspection and] testing will be performed under provisions of Section [01400] [_____].

Perform acceptance test on completed installation.

Test Procedures: [__________________________________.]

Acceptable Test Values: [___________________________.]

MAUFACTURER'S FIELD SERVICES

Prepare and start unit under provisions of Section [01400.] [_____.]

ADJUSTING

Adjust work under provisions of Section [01700.] [_____.]

Adjust output voltage to within [1] [___] percent of nominal.

Adjust output frequency to within [0.6] [__] percent of nominal.

DEMONSTRATION

Provide systems demonstration under provisions of Section [01650.] [______.]

Provide detailed operating and maintenance instruction [using manufacturer's field service personnel], [at Project.] [at local classroom.] [at manufacturer's training facility.]

END OF SECTION