Instruction manual MMB040 - E40 Wind power plant controller
Documentation version - V 1.0 Software version - V 1.3 (SH363) For inverter s. n. - MMB040 PP 2011 24V 02 MMB Drives Sp. z o.o. ul. Maszynowa 26, 80 - 298 Gdansk, POLAND email:
[email protected] NIP: PL 9570882266 REGON: 193035520 KRS 000020574 Gdańsk 2013
MMB040 – E40 power plant controller
Table of contents
1. General information
3
2. Technical specification
4
2.1. General data
4
2.2. Rated data
4
2.3. Maximum permitted power
4
2.4. Maximum measured power
4
2.5. Reactive power
4
2.6. Harmonics
5
3. Controller installation
7
4. Control panel
9
5. Power plant operations
15
5.1. Starting power plant
15
5.2. Stopping power plant
15
5.3. Power production
16
5.4. High wind speed operations
16
5.5. Wind turbine break operations
16
5.6. Voltage and frequency control relay UM30-A
16
5.7. Energy meter
16
6. Troubleshooting
18
2
General information
1. General information The MMB040 wind power plant controller is a device which controls the work of the ENWIA E40 wind power plant. It monitors the power plant and controls the energy flow between the generator and electrical grid, in different wind conditions. Control of energy flow is made by two voltage inverters connected by a DC bus. One of the inverters is connected to the three-phase 400V, 50Hz grid, and controls the DC bus voltage. The second inverter is connected to the generator. This inverter controls the amount of power produced by the squirrel cage induction machine used as a generator in the Enwia E40 power plant. The MMB040 controller controls the work of the E40 power plant automatically. Service is limited only to starting or stopping the power plant. The user can monitor the power plant by a control panel with an LED display placed on the front of the controller box. The controller is supplied by batteries. This solution allows controlling the direction of the nacelle when there is no grid voltage. Monitoring of the power plant is done by numerous sensors which inform inverters about the state of power plant: • anemometer for wind speed measurement • wind direction sensor by which the nacelle turns to the right position • turbine speed sensor • generator temperature sensor • battery controller which controls the batteries’ state of charge • voltage and current sensor for controlling work of inverters
3
Technical specification
2. Technical specification 2.1. General data Wind turbine type
ENWIA E40, horizontal axis
Number of blades
3
Rotor diameter (m)
10.4
Speed control (fixed/ 2 speed/ variable)
Variable
Generator type and ratings (kW)
Squirrel cage induction machine 37 [kW]
Frequency converter type and ratings (kW)
MMB40 40 [kW]
2.2. Rated data Rated power, Pn(kW)
40
Rated wind speed [m/s]
14
Rated apparent power, Sn (kVA)
40
Rated reactive power, Qn (kVAr)
0
Rated current, In(A)
57.8
Rated voltage, Un(V)
400
2.3. Maximum permitted power Assessed value, Pmc(kW)
42
Normalised value, pmc = Pmc/Pn
1.05
2.4. Maximum measured power Maximum permitted power – 60 sec. average Measured value, P60(kW)
41
Normalised value, p60 = P60/Pn
1.025
Maximum permitted power – 0.2 sec. average Measured value, P0,2(kW) 42 Normalized value, p0,2 = P0,2/Pn
1.05
2.5. Reactive power Output power (% Pn)
Active power (kW)
Reactive power (kVAr)
0
0
2.5
10
4
0
4
Technical specification 20
8
0
30
12
0
40
16
0
50
20
0
60
24
0
70
28
0
80
32
0
90
36
0
100
40
0
Assessed reactive power at Pmc (kVAr)
0
Assessed reactive power at P60 (kVAr)
0
Assessed reactive power at P0,2 (kVAr)
0
2.6. Harmonics Order
Output power (kW)
Harmonic current (% In)
Order
Output power (kW)
Harmonic current (% In)
2
40
