COMPUTERIZED FRANCIS TURBINE STUDY UNIT - BENCH TOP MODEL
Study the typical parameters of reaction turbines consist of two units: basic unit
Control board with signal conditioning and A/D conversion unit
The basic unit should be composed of: Support frame
Made of stainless steel, square shaped 25x25x2 overall dimensions 1200x555x60h mm with adjustable feet, with the support surface in PVC
Closed stainless water steel tank with inspection cover overall dimensions: 500x600x200h mm capacity: 60 l approx.
Centrifugal electric pump: rotation speed: 2900 rpm
Power: 0.75 kW capacity: 110 to 250 l/min
Head: 18 to 14 m HO Francis turbine made of inoxidable material
Guide rotary blades Back shield made of transparent plexiglas
Permanent magneto d.c. servomotor (electric brake): rated current 5.4 A rated voltage 48 V max power 210 W at 3000 rpm
Turbine type flowmeter, 15000 l/h max
Manometer 0 to 1 bar, piezometric type with analogical output
Digital revolution transducer
The Control board with signal conditioning and A/D conversion unit should be composed of:Pump switch Digital ammeter with analog output for the measurement of brake excitation current.
Digital voltmeter with analog output for the measurement of brake excitation voltage.
Digital revolution counter with analog output for the measurement of turbine rotation speed. Digital display with analog output for the flow rate measurement. Potentiometer for load regulation.
Resistive load. Signal conditioning and A/D conversion unit. The unit can be connected to a Personal Computer through USB port.
The acquisition and analysis software should: run in MS-Windows environment allow the automatic acquisition of the tranducers signals and the calculation of all the required parameter
Visualize on the screen or print the acquired data versus time diagrams or the diagrams required for the exercises
Save the acquired data and the calculated one in
ASCII format making simulations typing the data
The software should run on a PC
The following minimum characteristics:
Pentium con Hard Disk (> 10Gb) and CD drive
Graphic card SVGA 800x600 Mouse
RAM 32 MB min USB port Graphic printer
MS-Windows ver. 95 or following
Supplies:
Electrical power: 220 V AC single-phase, 50/60 Hz, 1.3 kW