Download Code Specifications DL WPP Wind Power Plants – educational

Code
DL WPP
Specifications
Wind Power Plants – educational equipment
This trainer must allow the students to study the functions and operations of a modern wind
power plant simulating the effects of the wind force and their effects on the plant.
This system must operate through a brushless machine and the simulation software and the
double‐feed asynchronous machine will allow a practical and effective approach to this trainer.
The trainer must have modular structure that will grant teachers and students extreme
flexibility during the study of the
related topics and the performance of the experiments. It must be possible to fit the single
modules with insulated front panel on the vertical frame.
An interactive multimedia SCADA software must be also available to allow performing the
experiments set‐up as well as the visualization and management of the collected data through
PC.
The control unit of this trainer must allow controlling and operating a speed‐variable
double‐feed asynchronous generator.
Thanks to this control unit it will be possible to simulate and investigate the operating
principles of this topic.
This control unit will allow approaching and theoretically in depth analyzing the following
topics:
•
Operation of the double‐feed asynchronous generator;
•
Integrated power switch for switching the generator on line;
•
Reactive and active power, frequency and voltage control;
•
Mains synchronization
This trainer must be complete with the relevant SCADA software that can control and set the
several operations of the system; with this software it will be possible to adjust the wind speed
and profile and to examine the effects on the operating functions of a real wind power plant.
Another important feature of this SCADA software will be related to the possibility to control,
parameterize and visualize the obtained data.
In particular, with this SCADA software it must be possible to perform the following activities:
•
Measurement, calculation and graphic representation of many mechanical and
electrical operating parameters.
•
Selection of the set‐point values for reactive and active power.
•
Definition and simulation of wind power and profiles.
•
Interactive experiments set‐up.
•
Values and graphs can be stored.
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Specifications
•
Experiments instructions can be viewed directly from the software.
•
Possibility to print documents for easy hardcopy printing of experiments instructions
with solutions.
With this wind power plant trainer it must be possible to perform the following experiments:
Study of functions and operations of a modern wind power plant.
Relationships between a pitch control system and the wind.
•
Analysis of the mechanical parameters within an induction generator.
•
Analysis of the electrical parameters within an induction generator.
•
Starting method of a wind system
•
DFIG – doubly fed induction generator.
The trainer must be composed of the following didactic equipment.
DL 2108T26
BRUSHLESS CONTROLLER with MOTOR
Module for the study of the automatic control for a brushless motor
• Control and operation of a brushless motor in voltage
The system must allow the study of the operation of a brushless motor of a typical industrial
process automation.
The student must have the opportunity to learn, to control and parameterize an automatic
operation.
The control and monitoring system must be done through a software that will be able to:
• Set system parameters
• Draw graphic curves
• Monitor real‐time system (torque, speed, etc.)
Specifications:
1kW power brushless motor with electronic encoder
Control of the system in frequency and voltage
Mechanical braking system for the analysis of the torque
Encoder outputs for the analysis of speed
Display system for controlling and monitoring events
Button start and stop action and automatic stop intervention in case of alarm
Code
Specifications
Complete software for PC interfaced to the system via RS485
DL 2108T26BR
Braking resistance with cooling fan.
DL 1022P4
SLIP RING THREE-PHASE ASYNCHRONOUS MOTOR
Induction motor with both stator and rotor three-phase windings.
Technical features:
Power: 1.1 kW - Voltage: 220/380 V D/Y - Speed: 1680 rpm, 50 Hz
It must be possible to couple the electrical machine with other electrical machines through a
hub and spider elastic gear ring in polyurethane. It must be supplied with a hooked module in
aluminum with PVC label and safety terminals for the electrical connection. A schematic
diagram must be shown on the hooked module.
Each machine must be mounted on a base and must be provided with:
Plate that brings its axis height to the standard measure (112 mm).
Plates for the fixing to the base of the machine
Four screws for fixing of the machine
InterRail Distance of the plates: 160mm
Coupling Joint: Diameter: 40mm, length 40mm
DL 1013A
BASE
This item must consist of a steel alloy varnished structure mounted on anti-vibration rubber
feet, provided with slide guides for the fixing of one or two machines and with a coupling guard.
Complete with a device for the locking of the rotor of the slip ring asynchronous machines in the
short-circuit test.
Composition:
Light alloy base, levelled on the upper supporting planes, with two guides for all the couplings of
machines rated 1 kW
In the lower section high sensitivity shock absorbers are mounted, arranged to be fixed to a
supporting plane.
Removable butt strap in varnished plate and flask for the blocked rotor test in varnished light
alloy.
DL 2108TAL-CP
THREE-PHASE SUPPLY UNIT
This power supply unit must be suitable hree-phase connection with 4-pole cam mains switch.
25 A current operated earth leakage circuit breaker, sensitivity 30 mA.
Three-phase indicator lamps.
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Specifications
Output through 5 safety terminals:
L1, L2, L3, N and PE.
Switch for simulation of wind or photovoltaic energy power source.
Modbus RS485 Protocol Communication
This module must have insulated type front panel with the electrical scheme; it must include
also safety terminals.
DL 2109T29
MAXIMUM DEMAND METER
The module must consist of a microprocessor controlled three-phase power analyzer. It must
have insulated panel and it must be suitable for the measurement of voltages, currents,
frequencies, active power, reactive power, apparent power.
Input voltage: 450 V (max 800 Vrms)
Input current: 5 A (max 20 Arms)
Operating frequency: 47 + 63 Hz
Auxiliary supply: single-phase from mains
On the front panel, it must include a RS485 port, a on/off switch and LCD display with the
following features:
n. of reading points: 10 000 4 digits
energy count: 8 digit counter
reading updates: 1,1 seconds
DL 2108T02
POWER CIRCUIT BREAKER 3 pcs
Three-phase power circuit breaker with normally closed auxiliary contact.
• Contact load capability: 400 Vac, 3 A
• Supply voltage: single-phase from mains
The item must include two light push buttons (one red and one green) and must have insulated
front panel.
DL 2108T29
BACK TO BACK INVERTER
The architecture of a back-to-back converter, needed to feed the rotor windings of a 3-phase
doubly-fed induction machine and such that power can flow both ways.
A back-to-back converter is needed for a control of a doubly-fed induction machine (an
induction machine feeded from both the rotor and the stator) because in some operation
ranges the rotor energy may come back to the converter.
Code
Specifications
Technical features:
Inverter 1.5 Kw 400 Volt with DC BUS
AFE ( Active front End) Regenerative Interface
DOUBLE FEED ASYNCHRONOUS GENERATOR
AC-DC power regeneration converter acting as AC-DC rectifier with input voltage L1, L2 and L3
and VBUS as output. In will be possible to have the exchanged power with the grid as
absorption or as power regeneration, depending on the load needs.
Power: 1,5kW
In: 4,0A
Choke three-phase 17,503mH
Nominal thermal current : 4,2A
Saturation Peak Current: 14,8A
Saturation RMS current: 10,5A
Power Eq.: 363VA
DC Bus Monitor Display
Three phase instrument Monitor grid side / maximum demand meter
The module must consist of a microprocessor controlled three-phase power analyzer.
It must have insulated front panel and it must be suitable for the measurement of voltages,
currents, frequencies, active power, reactive power, apparent power.
Input voltage: 450 V (max 800 Vrms)
Input current: 5 A (max 20 Arms)
Operating frequency: 47 ÷ 63 Hz
Auxiliary supply: single-phase from mains
On the front panel, it must include a RS485 port, a on/off switch and LCD display with the
following features:
n. of reading points: 10 000 4 digits
energy count: 8 digit counter
reading updates: 1,1 seconds
Fuse Protection
Modbus RS485 Protocol Communication
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Specifications
The module must be supplied with manual in English language
DL HUBRS485F
COMMUNICATION MODBUS
module with insulated front panel including:
two RS485 inputs and six RS485 outputs.
Analog output 1 0 to 10V
Analog output 2 0 to 10V
One switch for power on/off and a port for power supply connector.
DL SCADA3
SOFTWARE SCADA
Software that must permit the operations of control and data acquisition.
It must be in a form of a Run-time system that must allow users to concentrate on the purpose
of the experiments and to obtain the necessary data in a easy and effective way.
DL WINDSIM
WIND SIMULATOR
System composed of:
wind speed and direction sensor, power supply, fan, potentiometer, measurement circuit, RJ45
and RS485 port.
It must allow simulating the wind force and direction.
DL 1155WPP
KIT OF CONNECTING LEADS
DL 2100-3M-AS
FRAME Metal frame with three levels for fitting the modules of the laboratory.
DL PCGRID
Personal computer supplied with the system
SOCKET-MAINS
Three-phase sockets holder
DL 1001-1-AS
Workbench
With this system it must be possible to perform additional experiments on the Fault Ride
Through thanks to the following optional items:
DL 7901TT
LINE MODEL
Three-phase model of an overhead power transmission line 360 km long, voltage 380 kV and
current 1000 A.
• Scale factor: 1:1000
Line resistance: 13 Ω, line inductance: 290 mH, mutual capacitance: 1 μF, earth capacitance: 2
μF, earth resistance: 11 Ω, earth inductance: 250 mH
DL 2108T18
EARTH FAULT WARNING RELAY
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Specifications
module with insulated panel, Multifunction three phase overvoltage/ undervoltage relay. Threephase voltage relay, suitable for protection of HV, MV, LV power transmission and distribution
systems. The relay must measure the true R.M.S. value of the 3 phase to neutral voltages fed to
three transformers. It must be provided with two under voltage elements, two over voltage
elements, one under frequency element, one over frequency element, one omopolar sequence
over voltage element, one negative sequence over voltage element, one positive sequence
under voltage element, time tagged multiple event recording, oscillographic wave form capture,
Modbus RTU / IEC870-5-103, Display LCD 16 (2x8)
characters, communication Protocol. 4 mm. safety terminals and 2 mm. terminals included on
the front panel for the electrical connection.
DL 1017R
RESISTIVE LOAD
It must consist in a single or three-phase resistive step-variable load. Housed in a metallic box.
MECHANICAL FEATURES
The load shall be composed of a rugged metal structure and of a front metal panel.
On the front panel all the controls, the protection, the output terminals and a clear synoptic
diagram, shall be collected.
ELECTRIC FEATURES
The load shall be composed of resistances, with possibility of star, delta and parallel connection,
controlled by three switches. This item must be provided also with fuses protection.
As a function of the switch positions, there shall be the following phase values:
Position
Resistance
Max power per phase
1
1050 Ohm
46 W
2
750 Ohm
65 W
3
435 Ohm
110 W
4
300 Ohm
160 W
5
213 Ohm
230 W
6
150 Ohm
330 W
7
123 Ohm
400 W
Maximum power in single or three phase connection must be 1200 W.
Rated voltage in star connection must be 380 V, in D connection must be 220V, in single-phase
must be 220V.
It must be supplied with manual in English language.Dimensions (W x H): 436 x 174 mm
DL 2108T02
POWER CIRCUIT BREAKER
Code
Specifications
Three-phase power circuit breaker with normally closed auxiliary contact.
• Contact load capability: 400 Vac, 3 A
• Supply voltage: single-phase from mains
The item must include two light push buttons (one red and one green) and must have insulated
front panel.
DL 2100-3M-AS
FRAME
Metal frame with three levels for fitting the modules of the laboratory.