Description: The F7 piezoelectric vibration generator utilizes the expansion/contraction properties of piezoelectric crystals for sonic and ultrasonic structural excitation. This portable reaction-type shaker generates large dynamic forces to very high frequencies for structural excitation in vibration research
- Frequency Range: 1000 to 80000 Hz
- Technology: Piezoelectric
- Application: Accelerometer Calibration, Mechanical Impedance Measurements, Modal Excitation Source, Product Qualification / Testing, R&D / Product Design Verification, Transportation / Aerospace Simulation
Description: is a self-contained system which includes built-in vibration exciter, signal generator, computer-controlled amplifier/servo mechanism, reference accelerometer, thermal printer, RS-232 serial interface, LCD display screen, signal conditioners and all necessary connectors and mounting accessories
- Frequency Range: 10 to 10000 Hz
- Peak Acceleration: 10 g
- Technology: Mechanical
- Application: Accelerometer Calibration
Supplier: Modal Shop, Inc. (The)
Description: for a separate, cumbersome power amplifier - just plug the excitation signal from a dynamic signal analyzer or function generator directly into the BNC on the base of the shaker. SmartShaker provides up to 7 pounds (31 N) pk sine force during testing. The unit is supplied with a DC power supply
- Frequency Range: 9000 Hz
- Peak Acceleration: 70 g
- Technology: Electrodynamic
- Test Mode: Random Vibration, Sine Wave Vibration, Shock / Pulse Mode
Standards and Technical Documents - New Redundant Current Sharing Generator Excitation Solution - POWID 2005
Description: This paper describes a redundant current sharing Generator Excitation System that can be applied to generator sizes from 1MW to over 1000MW. By splitting the excitation current load between two current drivers, the health of each operating current driver is continuously diagnosed. Both current
Standards and Technical Documents - SAFETY STANDARD AND GUIDE FOR SELECTION, INSTALLATION, AND USE OF ELECTRIC MOTORS AND GENERATORS -- NEMA MG 2
Description: , generators, and motor generator sets. g) Motors, generators, exciters, and motor generator or exciter sets mounted on airborne craft. h) Toy motors and small synchronous motors of the type generally used in household clocks and timing devices. i) Additional specific features required in machines for use
Standards and Technical Documents - 1110-2002 - IEEE Guide for Synchronous Generator Modeling Practices and Applications in Power System Stability Analyses -- 10.1109/IEEESTD.2003.94408
Description: or by the methods, of finite elements are developed. Different saturation algorithms for calculating values of excitation and internal power angle depending upon generator terminal conditions are compared. The question of parameter determination is covered. Two approaches in accounting for generator field
Supplier: Littelfuse, Inc.
Description: The T2100 Excitation Loss Relay protects against partial or complete excitation loss (field loss) on the synchronous generator. If the generator under parallel operation has a low excitation, a high inductive current is running into the generator. This current is detected and the breaker
- Undervoltage: Yes
- Features: Visual Indicator
- Operating Temperature: -4 to 158 F
Supplier: Infineon Technologies AG
Description: ) with over-current detection circuit (ITRIP) Current measurement by using single or triple shunts (amplified) Single side assembly of all parts Position sensing via Inductive resolver interface using delta-sigma modulator and pattern generator for resolver excitation Hall sensor interface Power jack
- Category: Development Board
- Function: Break Out Board
Supplier: ASTM International
Description: . The experimental results show that the minimum rise time of the pressure transient is about 0.1 ms, which is shorter than that of current hydraulic wave generators. Hence, the generator could function as excitation for testing the dynamic characteristics of hydraulic components.
Potentiometers, Rheostats, and Trimmers - Joslyn Clark Rheostats - Vitrohm Plate Type -- Standard Size Rheostats
Description: STANDARD SIZE RHEOSTATS - 6", 8", 13" TYPES S and M Vitrohm pressed steel rheostats furnish a simple, accurate and economical method of field control. They are universally applied for adjusting generator, alternator and exciter fiel currents to obtain variations in output voltage and for field
- Potentiometer Type: Rheostat
- Mounting / Packaging: Panel Mount
- Operating AC Voltage: 300 to 600 volts
- Standard and Compliances: UL, CSA
Standards and Technical Documents - Electrical installations in ships - Part 301: Equipment - Generators and motors -- IEC 60092-301:1980
Description: Concerns rotating electrical machines rated at 750 W or more and excitation machines. Includes relevant requirements for prime-movers' driving generators.
Supplier: Fuji Electric Corp. of America
Description: pressure impregnated insulation system (Global VPI) for stator winding Compact structure due to overhang mounting of brushless exciter to generator Specifications: The generators can be supplied to conform with global international standards and regulations in the major industrialized countries
- Portability: Permanent
- Phase: AC Three Phase Power
- Applications: Industrial
- AC Prime Power Rating: 2.00E7 to 3.00E8 VA
Description: Scaled modal models require a precise force measurement. This can be achieved by electrodynamic and servohydraulic exciters controlled by a signal generator via a power amplifier. A more convenient and economical excitation method is a hammer fitted with a high-quality piezoelectric force
- Maximum Force: 1000 lbs
- Upper Limit of Frequency Range: 8 kHz
- Hand Operation: Yes
- Various Tips Included: Yes
Description: frequency response function determination High frequency resolution: continuous sweep up to 80,000 points Pure tone excitation Frequency range from 0.01 Hz to 40 kHz, in 1 to 8 independent spans Automatic control of the generator output level to get constant level either at input or output
Supplier: Monarch Instrument
Description: available 5 to 999,990 RPM range (0.083 to 250kHz) Compatible with most speed sensors (TTL) 12 to 24 Vdc input power Alarm set point with optional relay output Pulse repeater output User configurable View real-time data on PC 4-20mA or 0-5 Vdc scalable output 10 Vdc or 5 Vdc sensor excitation
- Form Factor: DIN Rail
- Analog Input Channels: 1
- Resolution: 16 bits
- Counter / Tachometer Input: Yes
Supplier: Triton Power
Description: Products Details SKU: 100015 New The SX440 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes underspeed and sensing loss
Supplier: GE Digital Energy
Description: The type CEH relays are used for the detection of the loss of excitation of synchronous generators, and to automatically remove the generator from service. Loss of excitation can be damaging to the machine, and/or detrimental to the operation of the system. It is recommended that loss-of
- Supply Voltage Range: 24 to 250 volts
Supplier: GE Power Conversion
Description: A standard for today's onshore wind turbines GE’s Power Conversion business range of Wind Generators is suitable for high-power solutions for both onshore and offshore wind turbines. GE’s Doubly Fed Induction Generators’ excitation is controlled independently of the grid
- Drive Type: Direct Driven
- Output Power: 3351 to 13402 HP
- Output Voltage: 690 to 15000 volts
Supplier: HUETTINGER Electronic, Inc.
Description: The PFG-RF series of products offers a range of radio frequency generators for plasma excitation. Power ratings are optimized to industrial process requirements. The power ratings of the PFG-RF series range from 0.3 kW to 5 kW, at an operating frequency of 13.56 MHz. Proven applications are etching
- Style: Enclosed, Rack Mount
- Features: Water Cooled
- Applications: Plasma
- Operating Temperature: 50 to 95 F
Description: These devices find applications in brush-less exciters for generator sets, alternators for oil field equipment, etc. Diode Name Centrifugal Acceleration Body Anode Body Cathode @ Continuous speed @ Run-away speed BHd K38S BHd K39S 280 g 400 g BHd L12 BHd L13 6700 g 8600 g BHd L38S BHd L39S 580
- Diode Type: General Purpose (PN Junction Diodes)
- Diode Applications: Power Diode
Supplier: Kinetek, Inc.
Description: The DC Starter / Generator is composed of an electric motor and a generator, integrating low voltage and large current. Its field type is compound excitation; its insulation grade is class H; and its work duty is continuous( S1 ). When it serves as a starter, it is powered by a battery at a higher
- Motor Configuration: Motor Only
- Orientation / Type: In-line
- Number of Shafts: Single-ended
- Motor Shape: Cylindrical Body
Supplier: Spectral Dynamics, Inc.
Description: easier than ever. Automated management of measurement DOF simplifies data acquisition for multiple data sets and reduces test time. A built-in signal generator provides user-specified excitation type (random, sine, chirp, burst random, user-defined) and amplitude control. Upgrading to Premier Modal
Supplier: U.S. Welding & Safety Supply Co.
Description: Rich Heritage 200 Amp DC Diesel Welder The Pipeliner® 200D is a direct descendant of Lincoln Electrics industry-respected 200 amp pure DC generator welders for cross-country pipeline welding. It features a DC exciter and runs slower than the common 1800 RPM products, as requested by the most
- Equipment Type: Welding Equipment
Welding, Brazing, and Soldering Equipment - Pipeliner® 200D Engine Driven Welder (Kubota) -- K6090-11Supplier: Lincoln Electric Co. (The)
Description: Top Features Pure DC Generator Welding Output DC Exciter All Copper Windings Custom Arc® Dial Five Overlapping Current Ranges Processes Stick, Flux-Cored (with Optional K623-1 Wire Feed Module), Gouging
- Equipment Type: Welding Equipment
- Frictional / Specialty Processes: Other Welding Processes
- Duty Cycle: 60 %
- Output Power Capability: DC Output
Supplier: PTB Sales, Inc.
Description: Seren IPS Industrial Power Systems R3027W is from the R3001 and L3001 line of RF power supplies. Seren “R Series” products utilize Field-Effect Transistors in the exciter and power amplifier stages. The unit operates in a class AB mode providing power accuracy and stability across
Supplier: Magnus Equipment
Description: Power Sonics exclusive designs are known as the Type IP ultrasonic transducers. Typically each transducer requires a one kW generator to drive it and has a radiating surface of approximately 100 square inches. They are designed to be mounted in just about any position, depending on the cleaning
- Application: Ultrasonic Cleaning / Liquid Processing
Description: and based on optimum excitation system or power system studies. BHEL has the capabilities for design and development of large capacity (> 250 MW) and large size hydro-generators. DESCRIPTION PARTICULAR PROJECT CAPACITY (MVA) 278/ 305 NATHPA JHAKRI RATED/ OVERLOAD 222/ 244 SARDAR SAROVAR
- Technology: Hydro Turbines
Description: Mini / micro hydro sets Standardized Micro Hydro sets of Tubular and Bulb type with output ranging from 100 kW to 2 MW sets along with matching Generator, compact Governor for small Hydro-sets, speed increasing gear unit Excitation Equipment, Associated Auxiliaries and Station Equipment.
- Technology: Hydro Turbines
- AC Prime Power Rating (Watts): 134 to 2680 HP
Supplier: Siemens Energy Sector
Description: 2 pole generators are customized for the use on gas and steam turbines. SGen-100A-2p series generators are available with different types of cooling systems: TEWAC (totally enclosed water-to-air cooling), CACA (closed air-to-air cooling) or DAC (direct air cooling, cooling-air intake via filter
Supplier: General Power Limited
Description: 1001KVA DETROIT MTU DIESEL GENERATOR 801KW, SDMO X1001KCSA DIESEL GENERATOR SET 801Kw (1001Kva) Standby, 721Kw (901Kva) Prime, 50Hz, 1500RPM, 3 Phase, 0.8PF MTU DETROIT16V2000G63E, Turbocharged heavy duty diesel engine, 4 stroke, 1500rpm, Electronic governor LEROY SOMER LSA491L10, brushless
- Fuel Type: Diesel
- DC Prime Power Rating: 910000 watts
- AC Prime Power Rating: 1.14E6 VA
Supplier: MKS Instruments, Inc.
Description: The SurePower® platform of RF plasma generators is the most advanced class of 13.56 MHz generators commercially available. SurePower® architecture incorporates state-of-the-art RF topologies, patented intrinsic power amplifier protection, improved design margins, and embedded V-I sensor
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Network IC Testing (.pdf)
. A programmable 4-channel analog stimulus generator is required to excite circuit elements and a programmable 4-channel digitizer is needed to acquire response signals. For this purpose, the customer chose GaGe's CompuGen 4300, analog output (D/A) card and CompuScope 8244 digitizer card and integrated
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Power System Dynamics: Stability and Control
The changes in E f , appearing in the last component of Equation (12.151), are due to the action of the generator exciters and AVR systems.
New generator static exciter with boost function
Machine."  JIEE Report, Specification and Characteristics of Synchronous Generator Exciters , JIEE Technical Report No. 536(ISSN 0919-9195), 2.
CR4 - Thread: Brushless Generator Exciter Stater
Brushless Generator Exciter Stater .
Alternator-Rectifier Exciter for Cardinal Plant 724-MVA Generator
,  Prior to 1963, most units were cross-compound re- quiring a start up motor- generator exciter which also served as a reserve exciter.
Stressing of turbine-generator-exciter shafts by variable-frequency currents superimposed on DC currents in asynchronous HVDC links and following disturbances ...
kachine Inertia.MW-SMVA HP Turbine IP Turbine LPlf turbine LPlr turbine LP2f turbine LP2r turbine LPlf blades LPlr blades LP2f blades LP2r blades Generator Exciter 1 )r Inertias and Stiffnesses A .