Electrical Power
Staff -- Plant Engineering, 11/1/2001
Note to our readers: Product of the Year finalists are listed below. To view the products, please download this pdf file. It may take a minute or two to load.
Stackable transformer assemblies save floor space
Transformer assemblies for Power-Style QED switchboards can be stacked to save floor space and reduce installation time and costs in applications where electrical equipment space is limited. Two transformers can be stacked in one enclosure. Savings are achieved by providing factory-installed primary and secondary cables, which are routed inside the enclosure to eliminate flexible conduit and panel connectors. Square D/Schneider Electric, Low & Medium Voltage Power Products Div.; www.SquareD.com
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Power meter has large display/small size
The ION 6200 power and energy meter features a compact size, large bright LED displays, plug-in modules for easy upgrades, and ease of use. The three-phase meter is only 4-in. wide and 2-in. deep. It measures 49 real-time, true RMS electrical parameters. Communication features include RS-485 port, Modbus, and ION compatible protocols. Plug-in modules include data logging, analog I/O, and advanced communications. Power Measurement Ltd.; www.pml.com
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Detector monitors multiple voltage functions
The Programmable Multi-Detector is a microprocessor-based detector capable of simultaneously monitoring two independent three-phase voltages from 208 to 600 Vac for a total of 13 different voltage functions. Each function is independently enabled and configured to activate one of eight user-selectable outputs. Configuration software is included. Power Systems & Controls; www.pscpower.com
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Class RK1 fuse indicates blown condition
The LLSRK_ID Indicator fuse provides instant blown fuse identification and protection for motors, motor controllers, transformers, and other general-purpose circuits. New design withstands the higher startup currents associated with the newer high-efficiency motors. This fuse technology uses dual elements, time delay, and current limiting. Littelfuse, Inc., http://www.littelfuse.com POWR-GARD Products Div.;
littelfuse.com
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Circuit monitor captures power quality problems
Powerlogic Series 4000 Circuit Monitor detects both oscillatory and impulsive transients as short as 1 µsec. The automatic alarm prevents shutdown by giving users the ability to monitor, troubleshoot, and preempt power quality problems. It automatically performs a high-speed transient waveform capture and a longer disturbance capture to show the conditions surrounding an event and maintains a complete historical record. Square D/Schneider Electric; www.powerlogic.com
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Microturbine generates "green "power
PowerWorks microturbine systems is a line of cogeneration equipment that provides lower energy cost, "green" power, and hot water. The system is configured to produce electricity for base consumption or peak shaving while providing thermal energy as hot air or hot water for space heating, domestic hot water, absorption cooling, or regenerating dehumidification systems. Ingersoll-Rand Co., IR Energy Systems; www.irpowerworks.com
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Power bar system minimizes shock hazard
AeroBAR is an economical, enclosed electrical conductor system for mobile equipment. Flexible copper conductors deliver power up to 1700 ft without joints. Joint-free design ensures longer brush life, reduced signal interference, and minimal voltage drop. There are no exposed live electrical parts to be accidentally touched or bumped with a ladder or tool. Thermal expansion problems are eliminated. Conductors handle up to 160 amp. Woodhead Industries, Inc., Aero-Motive Div.; www.aeromotive.com
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DC flywheel provides ride-through power
CleanSource2 dc flywheel energy storage system provides battery-free ride-through power for large uninterruptible power systems. System features a compact package (50 kW/sq ft), temperature tolerance, low maintenance, and long life. It uses an integrated motor/generator/flywheel that does not wear with frequent use and requires substantially less maintenance than lead-acid systems. Active Power; www.activepower.com
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Relay combines protection, metering, control
The FP-5000 microprocessor-based feeder protection relay combines protection, metering, and control for medium-voltage main and feeder applications. Data acquisition is a major feature of the relay. When an electrical fault or disturbance occurs, the relay begins to store crucial information in nonvolatile memory. Voltage, current, calculated values, internal protection status, and logic are stored for post-fault analysis. Eaton Corp., Cutler-Hammer Div.; www.cutler-hammer.com
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Surge suppressor protects electronic equipment
The I-Line plug-on unit with SurgeLogic transient voltage surge suppression (TVSS) can be installed in I-Line panelboards, modular panelboard systems, integrated power centers, and QED switchboards. It is designed to protect sensitive electronic equipment from transient overvoltages. The integrated TVSS and circuit breaker disconnects feature a compact design, requiring only 13.5-in. of branch mounting space. Square D/Schneider Electric, Surge Suppression Div.; www.SquareD.com
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UPS uses double conversion technology
Npower three-phase uninterruptible power supply (UPS) with double conversion technology is designed for mission-critical applications. It is a mid-sized system (30-130 kVA), ideal for data centers in industrial, commercial, and telecom environments that require continuous system availability. Features include a backlit LCD graphic display, internal output isolation transformer, and diagnostics with time-and-day stamp. Liebert Corp.; www.liebert.com
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Circuit breaker rated for IEC
The T-VACR (IEC) and VCP-TR (ANSI) fixed, medium-voltage, vacuum circuit breaker family is designed for use where space is at a premium. Breakers are 60% smaller and 50% lighter than other units with similar kV ratings. They feature vacuum switching, metallic safety barrier between mechanism and primary conductors, two-step stored energy mechanism, copper primary conductors, silver-plated primary connections, and testing in accordance with IEC. Eaton Corp., Power Distribution Assemblies Div.; www.eaton.com
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