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Product Specification
37166E
MFR 3
Multi Function Relay
Mains & Generator
Protection & Control
APPLICATIONS
DESCRIPTION (continued)
Woodward's MFR 3 Multi function Relay incorporates
functions and features for multiple application with up to
14 generators, each with a maximum individual rating of
16MW. Whether isolated or in parallel with the utility this
device was designed for generators and switchgear
equipment that require independent protection.
The MFR 3 digitally measures true RMS values ensuring
measurement accuracy - maintaining integrity against
harmonics, transients or power surges. Mains voltage
monitoring may be configured as phase-phase or phaseneutral. Front panel push-buttons allow direct control of
power circuit breakers, setpoint values, and configuration
of the unit. A phase sequence detection prevents a
breaker closure in case of mismatching phases.
The MFR 3 is available for one (MFR 31) or two (MFR 32)
circuit breakers. Even if the MFR 31 front panel reflects
only one circuit breaker, it may operate two.
For utility parallel applications the combined mains and
generator breaker protection offer a very compact
solution. In addition to protection the MFR 3 offers
frequency, voltage, real power and re-active power
control allowing load/var sharing.
Protection
DESCRIPTION
Features
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
True RMS 8× voltage (gen/bus/mains)
True RMS 4× current (gen/mains)
Battery voltage monitoring
Phase sequence detection
kWh/kvarh/oper.hours/start/maintenance counter
Configurable trip/control set points
Configurable delays for each alarm
12 configurable discrete alarm inputs
7 configurable/programmable relays
2 conf. analog outputs (20 mA)
2 conf. pulse outputs for kWh/kvarh
Two-line LC display
Synchroscope
Push-buttons for direct control
CAN bus communication
Language manager (English/German preloaded)
Multi level password protection
ANSI #
Mains
• Over-/undervoltage
(59/27)
• Over-/underfrequency
(81O/U)
• Phase/vector shift
(78)
• df/dt (ROCOF)
(81RL)
Generator
• Over-/undervoltage (2 steps)
(59/27)
• Over-/underfrequency (2 steps)
(81O/U)
• Overload
(32)
• Reverse/reduced power
(32R/F)
• Unbalanced load
(46)
• Loss of excitation
(40Q)
• Definite time-overcurrent (TOC)
(50)
• Inverse time-overc. (incl. volt. restr.) (51V)
• Calculated earth fault
(64)
Controller
•
•
•
•
•
•
•
•
•
Synchronizer for 1 or 2 breaker/s (gen/mains)
Isolated operation
Mains parallel operation
Softloading
Speed/frequency/real power
Voltage/power factor cosphi
Mains import/export power
Load/var sharing (up to 14 generators)
Remote real power setpoint (0/4 to 20 mA)
Package PSVX
• Complete controller
with generator and
mains protection,
synchronizer, and
load/var control in one
single digital relay
• True RMS sensing
• Synchronization for
one/two circuit breakers
• Load/var sharing for
up to 14 participants
• Counters for kWh,
kvarh, engine starts,
operating hours,
maintenance call
• Freely configurable
discrete and analog
alarm inputs
• Freely configurable
relay and analog
outputs
• PC and front panel
configurable
• CAN bus based
communication
• Remote power factor setpoint (0/4 to 20 mA)
• 5 analog measuring inputs
(1 x 0/4 to 20 mA, 4 x Pt100)
• Event recorder with real time clock
• Microprocessor
technology for accurate,
repeatable and reliable
operation
Option Q
• Programmable two step
threshold set points
with individual time
delays
• Discrete raise/lower for n/f/V/P/Q *
• Analog raise/lower for n/f/V/P/Q *
• PWM raise/lower for n/f/P *
* n = speed; f = frequency; V = voltage;
P = real power; Q = reactive power
• CE marked
• UL/cUL Listed
SPECIFICATIONS (for details refer to manual 37107)
Accuracy ..........................................................................................Class 1
Power supply.......................................................12/24 Vdc (9.5 to 32 Vdc)
Intrinsic consumption ..................................................................max. 15 W
Ambient temperature................................................................ -20 to 70 °C
Ambient humidity...................................................... 95 %, non-condensing
Voltage ...........Rated value /Δ: [1] 66/115 Vac or [4] 230/400 Vac
or [4] 300 Vac
Maximum value (Vmax): [1] 150 Vac
or [4] 300 Vac
Rated voltage Vph-ground: [1] 150 Vac
Rated surge voltage: [1] 2.5 kV
or [4] 4.0 kV
Measuring frequency................................................50/60 Hz (40 to 70 Hz)
Linear measuring range up to .......................................................1.3×Vrated
Input resistance..................................................... [1] 0.21 MΩ, [4] 0.7 MΩ
Max. power consumption per path ................................................ < 0.15 W
Current (Irated) ................................................................................ [5] ../5 A
Linear measuring range up to ............................................... Igen = 3.0×Irated
Imains = 1.5×Irated
Load .............................................................................................< 0.15 VA
Rated short-time current (1 s) .................................................... [5] 10×Irated
Discrete inputs .............................................................................. isolated
Input range ....................................................................18 to 250 Vac or dc
Input resistance.....................................................................approx. 68 kΩ
Analog input ......................................................................freely scaleable
Type ............................................................................. 0/4 to 20 mA, Pt100
Resolution ...........................................................................................10 Bit
Pulse outputs ................................................................... transistor output
Rated gate voltage ............................................................................24 Vdc
Maximum gate voltage ......................................................................32 Vdc
Minimum gate current ....................................................................10 mAdc
Maximum gate current ...................................................30 mAdc (0.5 Vdc)
Relay outputs ................................................................................ isolated
Contact material ............................................................................... AgCdO
Load (GP)......................................................................2.00 Aac@250 Vac
2.00 Adc@24 Vdc / 0.36 Adc@125 Vdc / 0.18 Adc@250 Vdc
Pilot duty (PD) ..............................................................................................
1.00 Adc@24 Vdc / 0.22 Adc@125 Vdc / 0.10 Adc@250 Vdc
Analog output................................................................................ isolated
Type ............................................................. 0/4 to 20 mA, freely scaleable
Resolution ....................................................8/12 Bit (depending on model)
Max. load 0/4 to 20 mA ..................................................................... 500 Ω
Insulating voltage .........................................................................1,500 Vdc
Housing......................................................Type APRANORM DIN 43 700
Dimensions .....................................................................144×144×118 mm
Front cutout .......................................................... 138[+1.0]×138[+1.0] mm
Connection ................................................ screw/plug terminals depending
on connector 1.5 mm² or 2.5 mm²
Front.................................................................................insulating surface
Protection system.................................................... with correct installation
Front................................................. IP42
(sealed IP54; gasket kit = P/N 8923-1039)
Back ................................................. IP21
Weight ............................................ depending on version, approx. 1,000 g
Disturbance test (CE)..........tested according to applicable EN guidelines
Listings ......................................... UL/cUL listed (voltages up to 300 Vac)
DIMENSIONS
APPLICATION
MFR 3
27
12,0 mm
59
144,0 mm
32,0 mm
81O
81U
47
Configuration plug
42,0 mm
52
78
79
81RL
90
8,0 mm
48
25
25
130
138
105
99
111 113
83
52
79
25
27
144,0 mm
93
X5
136,0 mm
X1
59
50
81O
32
81U
60
50
01
32R
54
24
136,0 mm
111,0 mm
2002-11-21 | MFR 3 Dimensions r3ww-4702-ab.skf
G
12
32F
38
40Q
39
46
49
55
RS232
90
CAN
74
I/O
0/4..20mA
9 10 105 106 107 108 109 110 111 112 113 X1 X2 X3 X4 X5
G
Drive
up to 14 additional generators
(each via one MFR 3)
3/(4)
GND
3
S1/S1 (K)
x1/s1 (k)
X2/S2 (L)
x2/s2 (l)
x1/s1 (k)
X2/S2 (L)
x2/s2 (l)
X1/S1 (K)
x1/s1 (k)
X2/S2 (L)
x2/s2 (l)
L2
L1
GCB
X1/S1 (K)
L3
3/(4)
MCB
3/(4)
2
X1/S1 (K)
x1/s1 (k)
X2/S2 (L)
x2/s2 (l)
3
L1
GND
[A2]
IA
Analog input 3 [T3]
0/4 to 20 mA
- Alarm input
Analog output
0/4 to 20 mA
GND
[A1]
IA
Analog input 2 [T2]
0/4 to 20 mA
- Setpoint: power factor
CAN-L
CAN-H
CAN bus interface
Guidance level
GND
Termination
Analog input 7 [T7]
Pt100
- Alarm input
Analog input 6 [T6]
Pt100
- Alarm input
Analog input 1 [T1]
0/4 to 20 mA
- Setpoint: Real power kW
Relay [R7]
Relay [R6]
Relay [R5]
Relay [R4]
Relay [R3]
Analog input 5 [T5]
Pt100
- Alarm input
Relay [R2]
lower
SPEED / POWER
(three-position controller)
raise
or
Analog controller output
lower
Relay [R1]
VOLTAGE / POW. FAC.
(three-position controller)
raise
or
Analog controller output
Centralized alarm
Generator voltage L3
Generator voltage L2
Ready for operation
Generator voltage L1
s1 (k)
Generator current L3
s2 (l)
s1 (k)
Generator current L2
s2 (l)
s1 (k)
Generator current L1
s2 (l)
Reply: GCB is open
Enable GCB
Command: close GCB
Command: open GCB
L2
Busbar voltage
L1
Reply: MCB is open
Enable MCB
Command: close MCB
Command: open MCB
s1 (k)
Mains current L1
s2 (l)
Subject to technical mocifications.
Mains voltage L3
Mains voltage L2
Mains voltage L1
Alarm input [D12]
C
Alarm input [D11]
B
Alarm input [D10]
A
Alarm input [D09]
9
Alarm input [D08]
8
Alarm input [D07]
7
Alarm input [D06]
6
Alarm input [D05]
5
Alarm input [D04]
4
Alarm input [D03] or
Switch breaker logic
Alarm input [D02] or
Operation mode selector locked
Alarm input [D01] or
Mains decoupling via MCB
Blocking of mains protection
Common
External acknowledgement
Isolated operation controller ON
Configuration blocked
Common
Common (terminal 3/4/5/6/53/54)
Enable monitoring
Switch setpoint 1 <--> 2
0 Vdc
12/24 Vdc
N
3
2
1
2005-10-10 | MFR 3 Packages Wiring Diagram r3ww-4105-ap.skf
NO/#1
NC
NO/#1
NC
NO/#1
NC
NO/#1
NC
NO/#1
NC
NO/#1
NC
NO/#1
NC
NO/#1
NC
NO/#1
NC
NO/#1
NC
NO/#1
NC
NO/#1
NC
NO/#1
NC
#2Battery
NO/#1
NC
NO/#1
NC
NO/#1
NC
#2Battery
#2Battery
NO/#1
NC
NO/#1
NC
#2Battery or another power supply; terminal 60 is pos. or neg. signal
Control room
SPS
PC
GATEWAY
GW 4
UA
Analog input 4 [T4]
Pt100
- Alarm input
Impulse output kvarh
Open collector
#1configurable during setup (NO/NC)
GND
PWM GND
GND
93 94 95 96 97 98 99 100 101 102 103 104
PWM
N/C
74 75 76 77 78 79 80 81 82 83 37 38 47 48
UA
DC
voltage
IA
5 6 7 33 34 35 36 60 61 62 63 64 65 66 67 68 69 70 71 72 73 18 19 43 44
GND
0 1 2
N/C
Impulse output kWh
Open collector
Relaismanager
(frei programmierbare Relais)
IA
50 51 52 27 28 39 40 16 17 53 54 23 24 41 42 14 15 3 4 25 26 29 30 31 32 20 21 22 11 12 13 8
DC
current
11 12 13
The socket for the PC configuration is situated on the
side of the unit.This is where the DPC has to be plugged in.
8 9 10
MFR 32 (Multi Function Relay) Package PSVX+Q
Q Package
quasi-continuous controller
with analog outputs
130 131 132 133 134 135 136 137
WIRING DIAGRAM (example: MFR 32; for MFR 31 refer to manual 37107)
FEATURE OVERVIEW
Distributors & Service
Woodward has an international
network of distributors and
service facilities. For your
nearest representative, call the
Fort Collins plant or see the
Worldwide Directory on our
website.
Corporate Headquarters
Rockford IL, USA
Ph: +1 (815) 877-7441
For more information contact:
www.woodward.com/power
Subject to technical
modifications.
This document is distributed for
informational purposes only. It is not
to be construed as creating or
becoming part of any Woodward
Governor Company contractual or
warranty obligation unless expressly
stated in a written sales contract.
We appreciate your comments
about the content of our
publications. Please send comments
including the document number
below to
[email protected]
© Woodward Governor
Company
All Rights Reserved
37166E - 06/3/S
ANSI
Control
Breaker control logic
Synchronization
25
Isolated single-unit operation
Mains parallel operation
Softloading
Accessories
kWh counter
kvarh counter
Operation hrs./start/maintenance counter
Configuration via PC #1
Event recorder, real time clock
Protection
Mains: over-/undervoltage
59/27
Mains: over-/underfrequency
81O/U
Mains: df/dt (ROCOF)
81RL
78
Mains: dϕ/dt (phase/vector jump)
Gen.: Over-/undervoltage
59/27
Gen.: Over-/underfrequency
81O/U
Gen.: Overload
32
Gen.: Reverse power
32R
Gen.: Reduced power
32F/37
Gen.: Unbalanced load
46
Gen.: Loss of excitation
40Q
Gen.: Definite time-overcurrent (TOC)
50
Gen.: Inverse time-overc. (incl. volt. restr.) 51V*
Gen.: Calculated earth fault
64
Controller
Discrete raise/lower: n/f & P #4
Discrete raise/lower: V & Q #4
Analog raise/lower: n/f & P #4/5
Analog raise/lower: V & Q #4/5
PWM raise/lower: n/f & P #4/5
Mains import/export power control
Real power setpoint 0/4 to 20 mA
Power factor setpoint 0/4 to 20 mA
Load/var sharing for 14 participants
I/O's
Discrete alarm inputs (configurable)
Relay outputs (configurable)
74
Analog inputs (configurable)
Analog outputs 0/4 to 20 mA (configurab.)
Impulse output for kWh/kvarh
CAN bus communication #3
Listings/Approvals
CE Marked
UL/cUL listed
Part numbers P/N
Measuring inputs 100 Vac, ../5 A (8440Measuring inputs 400 Vac, ../5 A (8440*
#1
#2
#3
#4
#5
MFR 32
PSVX+Q
Europe
Woodward Governor Company
Leonhard-Reglerbau GmbH
Handwerkstrasse 29
70565 Stuttgart, Germany
Ph: +49 (0) 711 789 54-0
Fax: +49 (0) 711 789 54-100
MFR 31
PSVX+Q
International
Woodward
PO Box 1519
Fort Collins CO, USA
80522-1519
1000 East Drake Road
Fort Collins CO 80525
Ph: +1 (970) 482-5811
Fax: +1 (970) 498-3058
1
9
9
9
2
9
9
9
9
9
9
9
9
50
9
9
9
9
50
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9 #4
9 #4
9
9
9
9
9
9
9
9 #4
9 #4
9
9
9
9
9
9
9
12
7
5 #2
2
9
9
12
7
5 #2
2
9
9
9
9
9
9
-1631
-1632
-1633
-1634
according to IEC guidelines
Cable incl. software necessary (DPC)
[T3] = 0/4-20 mA, [T4]-[T7] = Pt100
Remote monitoring, control, configuration (GW 4 could be used for several interfaces)
n = speed; f = frequency; V = voltage, P = real power; Q = reactive power
+/-20 mA and +/-10 Vdc and PWM signal (type and range configurable); bias/discrete setpoint via relay manager