Pump Controller features sensorless flow measurement.
January 26, 2007 -
Utilizing SMARTFLOW function, PumpSmart PS200 v5.0 calculates flow of centrifugal pumps within ±5% of rated flow without need for external instrumentation. Advanced Pump Protection takes into account the associated hydraulic and mechanical losses when changing pump speed, while Positive Displacement Pump Protection monitors conditions such as high and low torque. SMARTCONTROL helps control pumps with flat head-capacity curves where small speed changes can lead to large flow changes.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Newest Version of PumpSmart® Features Sensorless Flow Measurement
(November 14, 2006, Seneca Falls, NY) ITT Monitoring & Control introduces Version 5.0 for the PumpSmart PS200. Some of the exciting technical highlights of V5.0 are SMARTFLOW, Advanced Pump Protection, Positive Displacement Pump Protection and SMARTCONTROL.
SMARTFLOW is a proprietary sensorless flow measurement function which will have the ability to calculate the flow of a centrifugal pump with in ±5% of the pump rated flow without the need for any external instrumentation. This function mathematically models the pump power curve with only four points of CDS pump performance curve data, BEP flow, BEP power, shut off power and rated speed.
Advanced Pump Protection (APP) is an improvement upon the already powerful Torque Based Pump Protection. APP is a sensorless pump protection function that takes into account the hydraulic and mechanical loses associated when changing the speed of a centrifugal pump. A self calibration feature allows for an accurate representation of the pump to ensure the pump is protected at all speeds.
Positive Displacement Pump Protection (PDPP) is a sensorless function that it is protecting for a constant torque load such as a positive displacement pump. Because PDPP is used with constant torque loads it does not take into account changes in speed such as APP. PDPP monitors for conditions such as high and low torque which can be an indication the pump has a blocked discharge or a starved suction.
SMARTCONTROL is an improved way to control pumps with flat head-capacity curves where a small change in speed can lead to a large change in flow. A flat head-capacity curve can make tuning a pump system difficult leaving the pump to oscillate around the setpoint. In general to increase the flow of the pump the speed is increased and sub sequentially the torque increases as a result. With SMARTCONTROL the exact opposite happens as were to increase the flow of the pump the pump torque is increased and sub-sequentially the pump speed follows. The advantage is that the torque performance curve is much steeper relative to speed and can typically yield a control resolution 2-3 times greater then speed.
For more information, visit our website, www.ittmc.com or contact Dan Kernan, PumpSmart Product Manager, ITT Monitoring and Control, (315) 568-7874.
About ITT
ITT Corporation supplies advanced technology products and services in key markets including: fluid and water management including water treatment; defense communication, opto-electronics, information technology and services; electronic interconnects and switches; and other specialty products. Headquartered in White Plains, NY, the company generated $7.0 billion in 2005 sales. In addition to the New York Stock Exchange, ITT stock is traded on the Midwest, Pacific, Paris, London and Frankfurt exchanges
Contact:
John Beca
315-568-7122
John.beca@itt.com
Contacts:
General Information:
John Beca
USA
Phone: 315-568-7122 E-mail this person Company Information: Name: ITT Industries - A-C Pump Address: 240 Fall Street City: Seneca Falls State: NY ZIP: 13148 Country: USA Phone: 315-568-7122 FAX: 315-568-7759 http://www.acpump.com
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