SOLICITATION NOTICE
61 -- Static Exciter Voltage Regulator
- Notice Date
- 4/9/2003
- Notice Type
- Solicitation Notice
- Contracting Office
- Department of the Air Force, Air Education and Training Command, Tyndall AFB Contracting Squadron, 501 Illinois Ave, Ste 5 Bldg 647, Tyndall AFB, FL, 32403-5526
- ZIP Code
- 32403-5526
- Solicitation Number
- f1tu2630830300
- Response Due
- 4/30/2003
- Archive Date
- 5/15/2003
- Point of Contact
- Scott Fustini, Contract Specialist, Phone 850-283-8627, Fax 850-283-8491, - Eric Sauzek, Contract Specialist, Phone (850) 283-8630, Fax (850) 283-8491,
- E-Mail Address
-
scott.fustini@tyndall.af.mil, eric.sauzek@tyndall.af.mil
- Small Business Set-Aside
- Total Small Business
- Description
- The 325th Contracting Squadron at Tyndall AFB FL intends to award a purchase order under Simplified Acquisition Procedures (SAP) for the purchase of a *****Digital Controlled Shunt Static Exciter/Regulator. Basler DCS-300 or Cutler Hammer ECS2100 or equal, 3 each.*****[Digital Controlled Static Exciter Voltage Regulator Technical Specification (DECS 300 Digital Controlled Static Exciter Voltage Regulator) Static Voltage Regulator 1.0 SCOPE 1.1 Purpose This technical description describes a digital excitation and protection system for use with a main field brush type synchronous generator. The digital excitation system, Basler Model DECS 300, Cutler Hammer ECS 2100, or equal, will be provided to control the generator main field and protect the generator output. A Window’s Based user-friendly software program will be provided for setup, maintenance, and commissioning of the excitation system. The rating information is as follows: Generator Rating 3750 KVA, 4160 VAC, 60 Hz, .8PF, 360 RPM. Generator field requirements 200 Amps, 125 VDC at 100% rated voltage and rated KVA. Generator Prime Mover Type: Diesel 2.0 GENERAL The excitation system will be a high initial response design as defined by IEEE 421.2. 2.1 Applicable Specifications ANSI C57.12.01 - General Requirements for Dry Type Distribution & Power Transformer -Table 7, Routine Test ANSI Z55.1 - Gray Finishes for Industrial Equipment NEMA - Part ICS6-110.10.02 Type I NEMA 1 Ventilated NEMA - Part ICS1-111 Electrical Spacings for Exciter Control/Power Cabinet IEEE 421.1 - IEEE Standard Definitions for Excitation Systems for Synchronous Machines IEEE 421.2 - Identification, Testing & Evaluation of the Dynamics of Excitation Control Systems IEEE 421.3 - High Potential Test Requirement for Excitation System for Synchronous Machines Digital Controller will be: A. UL Recognized, CSA Certified, CE Compliant B. Meet ANSI C37.90.1 for Surge Withstand and Fast Transient 3.0 BASIC STATIC EXCITATION SYSTEM - CONTROL CUBICLE 3.1 Voltage Regulator Control The digital voltage regulator will provide 0.2% voltage regulation from no load to full load. Steady state stability equals ± 0.1% at a constant load and generator frequency. Regulator will provide automatic control for single and multiple dissimilar generator operations with no manual intervention by an operator. 3.1.1 Voltage Limited Under Frequency Compensation The digital excitation system shall include a Voltage Limited Underfrequency compensation circuit. Characteristics will be Windows Based PC software. The digital excitation system shall also include a volt/Hertz Ratio Limiter sensitive to varying generator voltage and frequency. The voltage limit will be adjustable via a Windows based PC software program provided with the excitation system for setup. The Voltage Limited/Underfrequency and Volt/Hertz Ratio will be selectable of software. 3.1.2 Reactive Droop, Line Drop Compensation Paralleling provisions will be included to provide reactive load sharing between the generator and the connected bus. The droop setting will be adjustable from 0 to +30% at rated power factor, rated load 3.1.5 Integrated Manual Field Current Regulator A field current regulator (FCR) will be provided (standby to the automatic voltage regulator) to maintain constant field current. 3.1 Power Step-down Transformer (PPT) A power step-down transformer rated at a minimum of 45 kVA, 3 phase, 60 Hz; Primary: 4160 Volts, 25 kV BIL; Secondary: Voltage level to suit the needs of the excitation system, 10 kV BIL; Transformer will be provided with appropriately sized high voltage fuses. Transformer will be mounted in a NEMA 1 enclosure suitable to prevent easy access by unauthorized personnel. Enclosure will be marked to indicate HIGH VOLTAGE-4160V is contained within. 3.3 SCR Power Rectifier Bridge Bridge rectifiers will be provided based upon the field requirements of the machine. DC output transients will be clamped by a surge suppression network. The exciter will typically provide a minimum of 145% positive field forcing for 30 seconds dependant on the nominal three power input voltage to the rectifier bridge. Three (3) current limiting fuses will be provided with failed fuse indicator. Upon failure of a shorted power semiconductor, a contact will provide a general alarm. 3.4 Power Interrupt A three phase ac non-latching contactor or breaker will be provided to interrupt the ac power input to the three phase rectifier bridge during an fault Trip. During normal start/stop operation, the SCR bridge will be crowbared to dissipate the field energy at shutdown. 4.0 PERFORMANCE FEATURES The following features will be provided with the excitation system to modify the operating characteristics of the solid-state automatic voltage regulator. 4.1 Excitation Limiters 4.1.1 Under Excitation Limiter (UEL) A user selectable, internally generated or five point field programmable performance curve for the under excitation limiter will be provided to prevent a loss of generator synchronism due to underexcitation. The under excitation limiter will utilize a circular characteristic that matches the generator's under excited capability curve. An indication via the RS 485 serial communication link will be provided to the control chasis when the limiter is active and a contact closure will indicate the activation of the UEL. 4.1.2 Over Excitation Limiter (OEL) Both an off-line and on-line over excitation limiter will be provided to prevent generator overvoltage off -line and rotor field heating due to excessive current in the main field when the generator is on-line. The off-line field current limiter will have a minimum of one adjustable instantaneous limit with adjustable time delay when the generator circuit breaker is open. The on-line overexcitation limiter with be a three stage current limiter with the following characteristics: · Instantaneous current limit with adjustable time delay. · Intermediate current limit with adjustable time delay. · Final current Limit The on-line overexcitation limiter will accumulate information to prevent field winding over-temperature if repeated field forcing occurs. The on-line and off-line overexcitation limiters will be active in the event of loss of voltage sensing at the voltage regulator input. The control chasis will provide indication via the RS 485 serial communication link when the limiter is active and with a programmable output relay Alarm contact. 4.2 Stator Current Limiter A stator current limiter will be provided that prevents excessive line current for extended time period. An adjustable instantaneous current limit with time delay and a delay current limit will be provided. 4.3 Bumpless Transfer from Active to Non-active modes Bump-less transfer will be provided from the active to non-active mode, including automatic voltage regulator, and field current regulator, or Var/Power Factor Control. Autotracking will be enabled at all times to ensure match levels during transfer. 4.4 Automatic Transfer from Automatic Voltage Regulator to Field Current Control Automatic transfer to manual field current mode can be programmed to take place when loss of voltage sensing or unbalanced voltage for three phase sensing at the voltage regulator input occurs. An adjustable time delay in seconds may be programmed before transfer to FCR mode is initiated. The balanced loss of sensing voltage threshold will be programmable. A dry output contact may be programmed to alarm that a loss of sensing voltage event has occurred as well as annunciation using the RS 485 Modbus port. 4.5 Data Recording The controller software will be equipped with a data recording feature capable of capturing up to 8 events, and at least 6 parameters for each event. Resolution will be adjustable for data capture. The user may select logic and level triggers. Sequence of events recording will be provided. The data records will be recorded in the format native to the software being used. 5.0 SYSTEM CONTROL PROVISIONS 5.1 Remote Control Remote control will be provided for the following functions: These include: · Auto/Manual Transfer · Raise/Lower Setpoint for AVR, FCR, VAR/PF Control · Excitation On/OFF 6.0 EXCITATION PROTECTIVE FUNCTIONS The excitation system will be equipped with the following protective features: · Field Overvoltage · Field Overcurrent · Loss of Field · Generator Overvoltage · Generator Undervoltage Field Ground Protection Device 64 Device 64 Field Ground Protection relay will be provided, which will alarm upon detection of a main field ground. Contact will be provided for customer annunciation. A target is provided on the relay to record a relay trip. 7.0 EXCITATION CUBICLE All components of the excitation system will be mounted in a formed 11-gauge sheet steel ventilated NEMA 1 type enclosure. A full-length door equipped with a 3-point latch assembly and locking handle, will be provided for access to inside mounted equipment with a fan for cabinet ventilation. Ventilation openings will be designed to prevent rodents from entering the enclosure. 8.0 CABINET METER INDICATION Digital controller will be equipped with an LCD to read up to three quantities at one time. The user will have the means to define the three metering quantities desired on the LCD. Options will include but not limited to: · Generator voltage · Bus voltage · Generator line current · Generator frequency · Bus frequency · Generator kilowatts · Generator vars · Power Factor · Field voltage · Field amperes · Field temperature 9.0 OTHER CUBICLE ACCESSORIES a. Indoor Light Fixture Assembly, with door-activated switch and convenience outlet, one for each cabinet section. b. Space heater with thermostat. 9.1 CT Shorting Terminal Block A safety shorting block will be provided for the connection of the remote parallel current transformer. 9.2 Control Power 125 Vdc, (103-140 Vdc) and 120 Vac will be provided for all circuits. In the event of loss of one of the control power sources, the other source will be used to keep the excitation system operating. The ac control power supply will be derived from the excitation power potential transformer. The dc will be obtained from the station battery bank. 9.3 Protective Finishes All fabricated metal parts will have a protective finish. Finish process will include metal cleaning and preparation followed by one coat ANSI Z55.1 color number 61 gray for the cabinet enclosure. All sub panels will have a color white finish process. Paints will be in compliance with the 1990 U.S. Clean Air Act. 9.4 Wiring & Relays #14 gauge control wiring will be provided wire, 600 volt class, type SIS. All cable will be in Panduit and/or cable harness as appropriate. 10.0 OPERATING ENVIRONMENT 10.1 Temperature The cabinet and the installed components will be designed to function without degradation in performance for an outside cabinet ambient temperature of 50°C (120°F). 11.0 DOCUMENTATION The final system will be supplied with the following information: a. Enclosure Outline Dimensions Lifting Eye Locations and Size of Eye Bolt Maximum Weight Cabinet Mounting Hole Sizes and Location Size and Location for Ventilation b. Schematic/Interconnect Diagram with Wiring Number Identification c. Three sets of Operational Instruction Manuals with “as built” drawings (either paper or digital format-AutoCADD 2000 format preferred. d. Internal Layout Drawing e. Wiring List f. Enclosure outline and interconnect schematic in Auto CAD Version 14 or 2000 on CDROM. g. Files will be provided at time of equipment shipment. 12.0 COMMUNICATIONS The controller will be equipped with a RS 232 serial port for interfacing a laptop for Windows Based Software interface for setup, maintenance, and commissioning. A RS 485 port will be provided for a Modbus communications for Metering, Control, and Annunciation, as well as calibration set points. 13.0 QUALIFICATIONS OF MANUFACTURER The Digital Controlled Static Exciter System shall be manufactured by a firm regularly engaged in the manufacture of digital static exciter systems specifically designed to operate and control the field excitation of diesel engine driven electrical power generating equipment operating in a single or multiple dissimilar unit mode. 14.0 QUALITY CONTROL 14.1 The excitation system shall be fully tested using a test specification written by the supplier. Tests shall include electrical functional testing, verifying conformance to assembly drawings and specifications. Written test results shall be provided to the customer upon delivery of systems. 14.2 Complete system shall be covered by the manufacturer's standard warranty for a period not less than 12 months from the date of shipment. 14.3 The manufacturer shall have a written quality control procedure available for review by the purchaser, which will document all phases of operations. 14.4 The Company’s Quality Control System shall be ISO9001 Certified. 15.0 Delivery of all components and documentation will be FOB the following address: HQ AFCESA/CEMR 1001 Mississippi Rd Tyndall AFB FL 32403-5318] . This is a combined synopsis/ solicitation for commercial items prepared in accordance with the format in FAR Subparts 12.6 and 13.5, as supplemented with additional information included in this notice. This announcement constitutes the only solicitation. Proposals are being requested and a written solicitation will not be issued. The Purchase Request number is f1tu2630830300 and is issued as a Request for Quotation (RFQ). The solicitation document, incorporated provisions, and clauses are those in effect through the Federal Acquisition Circular 97-2 and Defense Acquisition Circular 91-13. This solicitation is 100% SET ASIDE FOR SMALL BUSINESS CONCERNS in accordance with FAR Part 19. The North American Industry Classification System (NAICS) code is 335311, size standard 750. The contractor shall provide the following: Please acknowledge all requirements on quotations. Offerors must provide brochures/literature of the items being offered along with their quote. The technical literature submitted needs to clearly communicate the offeror’s understanding and compliance with the minimum requirements as set forth in the specifications or any alternative proposal submitted in response to this RFQ. FOB destination is required by the Government. FOB point is Tyndall AFB, FL 32403. The required delivery date is 30 days from receipt of purchase order. Contractor shall provide all materials, labor, and transportation necessary to complete this service. Offerors must provide warranty information specific to all equipment. The following provisions and clauses can be viewed through Internet access at the Air Force FAR Site, http://farsite.hill.af.mil. In Accordance with FAR 52.252-1 (FEB 1998) and FAR 52.252-2 (FEB 1998), the following provisions and clauses are incorporated by reference: FAR 52.212-1, Instructions to Offerors, Commercial Items (AUG 1998), with the following: technical description of the items being offered in sufficient detail to evaluate compliance with the requirements of the solicitation (i.e. product literature), the terms of any expressed warranty, price and any discounts, and delivery times; FAR 52.212-2, Evaluation, Commercial Items (MAR 1998). Award will be made to the offeror whose proposal represents the best value to the Government. The following factors shall be used to evaluate offers: best value to the government. Alternative proposals are encouraged. However, alternative proposals demonstrating technically expertise and superior performance will be considered. OFFERORS MUST INCLUDE WITH THEIR PROPOSAL A COMPLETED COPY OF THE PROVISION AT 52.212-3, OFFEROR REPRESENTATIONS AND CERTIFICATIONS-COMMERCIAL ITEMS (JAN 1997) AND DFARS 252.212-7000 OFFEROR REPRESENTATIONS AND CERTIFICATION, COMMERCIAL ITEMS (NOV 1995) WITH THEIR QUOTE. Contract Terms and Conditions -- Commercial Items. It is tailored as follows: subparagraph c is changed to read: “Changes. Changes in the terms and conditions of this contract may be made only by written agreement of the parties with the exception of administrative changes such as changes in paying office, appropriations data, etc. which may be changed unilaterally by the Government.” ; FAR 52.212-5, Contract Terms and Conditions Required to Implement Statutes or Executive Orders – Commercial Items (Jun 1998); FAR 52.203-6, Restrictions on Subcontractor Sales to the Government (Alt 1) (Oct 1995); FAR 52.222-26, Equal Opportunity (Deviation) (Apr 1984); FAR 52.222-35, Affirmative Action for Disabled Veterans and Veterans of the Vietnam Era (Apr 1998); FAR 52.222-36, Affirmative Action for Workers with Disabilities (Jun 1998); FAR 52.222-37, Employment Reports on Disabled Veterans and Veterans of the Vietnam Era (Apr 1988); FAR 52.225-18, European Sanction for End Products (Jan 1996); FAR 52.232-33, Mandatory Information for Electronic Funds Transfer Payment is required; 52.247-34, F.O.B. Destination (Nov 1991). In accordance with DFARS 252.204-7004, REQUIRED CENTRAL CONTRACTOR REGISTRATION (MAR 1998), prior to receiving any contract award, contractors must be registered in the Central Contract Registration (CCR). If not already registered, you should immediately register with CCR by calling 1-888-227-2423 or via the Internet at http://ccr.edi.disa.mil. On-line registration with the CCR is also available at the Small Business Administration Internet address (www.sbaonline.sba.gov). Confirmation of CCR registration must be obtained before award can be made. DFARS 252.225-7001, Buy American Act and Balance of Payment Program (Mar 1998); DFARS 252.225-7007, Buy American Act – Trade Agreements – Balance of Payment Program (Mar 1998); DFARS 252.225-7012, Preference for Certain Domestic Commodities (Sep 1997); DFARS 252.225-7036, Buy American Act -- North American Free Trade Agreement Implementation Act – Balance of Payment Program (Mar 1998); DFARS 252.227-7015, Technical Data -- Commercial Items (Nov 1995); DFARS 252.227-7037, Validation of Restrictive Markings in Technical Data (Nov 1995); DFARS 252.232-7009, Payment by Electronic Fund Transfer (Jun 1998); DFARS 252.243-7002, Certification of Requests for Equitable Adjustment (Jul 1997). Quotes should reference RFQ No. f1tu2630830300. Offers must be sent via email or fax to the Purchasing Agent Scott Fustini scott.fustini@tyndall.af.mil no later than 30 Apr 03 at 2:00 P.M. (CST) to 325 CONS/LGCBB ATTN: Scott Fustini, 501 Illinois Ave., Suite 5, Tyndall AFB FL 32403-5526. For more information contact the administrator Scott Fustini at scott.fustini@tyndall.af.mil (or 850-283-8627.)
- Web Link
-
Link to FedBizOpps document.
(http://www.eps.gov/spg/USAF/AETC/TynAFBCS/f1tu2630830300/listing.html)
- Place of Performance
- Address: HQ AFCESA/CEMR 1001 Mississippi Rd Tyndall AFB, FL
- Zip Code: 32403-5318
- Country: USA
- Zip Code: 32403-5318
- Record
- SN00300347-F 20030411/030409222605 (fbodaily.com)
- Source
-
FedBizOpps.gov Link to This Notice
(may not be valid after Archive Date)
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