Blindleistungsregler BR 604 User manual
Power Factor Controller
BR 604
Manual
Version 3.0 E
Power Factor Controller
BR 604
21 3 4
Program Enter
Version 3.0 E; 2021
!
CAUTIONS:
1. High voltage !
2. BR604 may only be used indoor !
3. Make sure that discharge time set in controller
matches capacitor discharge time !
CONTENTS
Section 1 General 4
Section 2 Installation of the controller 6
2.1 Current measurement
2.2 Fault messages
Section 3 Operating modes and programming 8
3.1 Automatic operation / display functions
3.2 Programming
3.3 Programming lock 12
Section 4 Manual operation / Fixed stages 13
Section 5 Service menu 14
Section 6 Expert mode 14
Section 7 Initial operation 15
Section 8 Control principle 16
Section 9 Troubleshooting 17
Section 10 Maintenance and warranty 18
Section 11 Technical data 19
Annex: Annex 1 Table of phase-shifting 18
Annex 2 Table of control series 20
Annex 3 Default settings 21
Operating diagram (Brief programming) 22
- 3 -
Section1 General
BR 604 is distinguished by user-friendly operation based on menu-
guided displays in plain text. Its new features permit an intuitive mode
of operation. Easy-to-understand symbols and texts in the local
language combine simplest operability with self-evident displays.
The display of diverse line parameters as well as storage of various
values of the compensation network permit simple fault analysis and
system monitoring.
BR 604 contains a number of additional features:
þ4 switching outputs (depending on the version)
þ23 pre-programmed control series with a self-optimized
intelligent control response
þComplete menu-guided operation and display
þGraphic display with 2 x 16 characters
þFour-quadrant operation
þDisplay of various line parameters (V, I, Q, P, S...)
þStorage of maximum line-parameter
þManual / automatic operation
þProgramming of fixed stages and the option of skipping
individual outputs
þNo-voltage turn-off
þFault messages
þSwitchboard-integrated housing 100x100x40 mm
- 4 -
The controller is supplied for a voltage of 230 VAC (L-N), 50/60 Hz and
a measuring current of 5A or 1A (programmable). A voltage converter
is required for different operating voltages. Operating voltage =
measuring voltage !
Caution!
Voltages which exceed the allowed voltage range
can damage the device !
Fig. 1 BR 604 front view
Operating mode
- Automatic
- Programming
- Manual operation
- Service
- Expert mode
Increase
selected
parameter
Power Factor Controller
BR 604
21 3 4
Program Enter
Enter / ok
confirm and
store values
Reduce
selected
parameter
- 5 -
!
Section 2 Installation and connection of the controller
The BR 604 is designed to be incorporated into the front panel of a PFC-
cabinet. It requires a switchboard section of 92 x 92 mm to DIN 43 700.
The controller is inserted from the front and is attached by means
of the appended clamps.
Before the BR 604 is connected up, all leads and cables must be
checked to ensure that no current is flowing through them and the
current converter must be short-circuited. Care should be taken to
ensure that the measuring voltage and current are in the correct phase
position. The measuring-current circuit must be wired with copper
2
leads of 1.5mm . The connection should be set up as shown in Fig. 2.
The specified safety regulations must be observed.
Fig. 2: BR 604 Connection plan
L1 (R)
L2 (S)
L3 (T)
N
meas.c u rrent
Im (5A/1 A )
1. capac i tor
branch
supply- a nd
meas. Voltage
Vb k l
1 2 3 4
Capacitor conta c t o rs 1-4
Po w er factor
controlle r B R 604
T 6,3 A
PE
K1
Vb Im
L N k l
- 6 -
2.1 Current measurement
When installing the current converter, care should be taken to ensure
that the load current flows through it. The outputs of the compensation
network must be installed behind the current converter (in the
direction of current flow). If the BR 604 is connected up via sum-
current converters, the overall conversion ratio is entered.
kK k K
lL l L
Feed 1 Feed 2
K L K L
Measurement via sum current converter
BR604
Current
measurement
k l
k l
- 7 -
Example:
C.converter 1: 1000/5A
C.converter 2: 1000/5A
Sum-current converter: 5A+5A/5A
C.converter ratio is: 2000/5A
2.2 Fault messages
The fault is shown on the display in plain text (alternating with the
standard display in automatic operation). The following fault messages
are displayed:
þUNDER-COMPENSATED
þOVER-COMPENSATED
þOVERCURRENT
þOVERVOLTAGE
þUNDERVOLTAGE
þ
Section 3 Operating modes and programming
When the operating voltage is switched on, the BR 604 briefly displays
its designation and software version, then changes to its normal
operating status (automatic operation). The active cos-phi value is
always displayed in the upper line and the currently connected
capacitors are shown as symbols in the lower line (operating display).
MEASURING CURRENT <
Automatic operation
Display of active power-line cos phi
Active capacitor
branches
Control direction
(here connected-in)
Supply display (for
4-quadrant operation)
The control direction is symbolized
by a closed arrow
The connecting-in arrow is always
located after the maximum possible
number of stages (end stop)
An open arrow indicates that the
required blocking time (discharge
time) is running before an impending
switching step
A double arrow symbolizes fast
switching of several branches
Connecting-in
Connecting-out
21 3 4 5 6 7 8 9
10
11
12
- 8 -
cos =0.98 IND
j
5s
3.1 Automatic operation - display functions
The BR 604 is set to automatic operation as standard. Capacitor stages
are then automatically connected in or out in order to reach the target
power factor. This happens when the required reactive power exceeds
the value of the smallest capacitor stage.
In automatic operation, various network parameters can be displayed
by repeatedly pressing the "ENTER” key:
Action Display
ENTER 1 LINE VOLTAGE in V
ENTER 2 APPARENT CURRENT in A
ENTER 3 REACTIVE POWER in kvar
ENTER 4 ACTIVE POWER in kW
ENTER 5 APPARENT POWER in kVA
ENTER 6 DIFF. kVAR TO TARGET COS
ENTER Software version
ENTER Return to: 1 LINE VOLTAGE
The power value specifies the total power (3-phase) assuming
symmetrical load. If no key is pressed for 60 seconds, the display
automatically returns to the operating status!
3.2 Programming
Pressing the "Operating mode” key once takes the user from automatic
operation to Programming mode. Parameter 1 ( I-CONVERTER) is
reached by pressing "ENTER”.
The upper display always shows the parameter and the lower one the
set value. The values are changed by pressing the é / ê keys.
Subsequent pressing of the "ENTER” key stores the value and takes the
user to the next parameter.
To quit programming mode in any step, press the "Operating mode”
key.
Repeated pressing of the "Operating Mode” key takes the user to the
various menus in sequence: Automatic operation - Programming -
Manual (manual operation)- Service - Expert mode and back.
- 9 -
0 LANGUAGE SELECTION: This selects the language of the
operating menu ( English, German, Spanish, Portuguese) )
1 I-CONVERTER PRIM: This selects the primary current of the
current converter. Adjustment is via the é / ê keys.
(5...7500A) Save and continue with ENTER
2 I-CONVERTER SEC: This sets the secondary current of the current
converter.(5A or 1A possible). Selection via é / ê. Save
and continue with ENTER
3 END STOPP: By setting the end stopp, the number of active
capacitor branches is matched to the respective
capacitor bank. This is done via the é / ê keys. The visible
symbols of the capacitors correspond to the connected
outputs. The setting is confirmed and saved with ENTER.
4 CONTROL SERIES: The ratio of the capacitor branch powers
determines the control series, the power of the first
capacitor always being assigned the value 1. The control
series required for the compensation network is again
selected via the é/ê keys. The selected series is entered
with the ENTER key, which also takes the user to the next
step.
5 CONTROL PRINCIPLE: Control preference may be selected here:
þSEQUENTIAL connection
þLOOP connection
þINTELLIGENT loop connection (default )
See Section 8 for an explanation of the various control
modes.
Selection with é / ê keys and confirmation with ENTER
leads to the next point:
6 POWER 1. STAGE: To determine the controller's response
sensitivity, the dimensions of the network's smallest
capacitor (stage 1) must be known. They are entered in two
steps in kvar. The integral kvar values (before the comma)
are initially selected via the é / ê keys and saved with
ENTER. The positions after the comma are then selected,
again via the é / ê keys. Saving with ENTER..
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