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SPAU 341 C
Voltage regulator
User´s manual and Technical description
I
= 1A
f
n = 50Hz
n
60Hz
U
=
n
SPAU 341 C1
80...265 V ~ –
18...80 V –
REGISTERS / SETTINGS
U1
SPCU 1D50
SPCN 1D56
0
0
0 0
0
0
1
1
SGF 1
SGF1
2
2
SGF 2
Tap pos. low
3
3
Counter
Tap pos. high
4
4
RSV
OPD
5
I
nt
6
I
/
I
nt
ct
7
Stability
8
OPD
9
LPS
RS 488
2
5A ( ) I
U
m
5
100V 110V 120V
(
U
)
U
aux
U2
U3
0
0
Ser.No.
U
I
U
IRF
POS
m
d
RESET
RESET
U
/
I
U
>
s
n
STEP
STEP
∆
[
]
U
U
U
%
<
s
n
[ ]
T1 s
U
>
PROGRAM
PROGRAM
[ ]
T2 s
BLOCK
/
I
>
I
n
U
/
<
U
AUT / MAN
n
/
U
U
>
TCO
n
U
LDC
r
PARALLEL
U
LDC
x
PARALLEL
MAN
OUT
MAN
SPCU 1D50
SPCN 1D56
IRF
SPC 000
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Summary of Contents for ABB SPAU 341 C
- Page 1 SPAU 341 C Voltage regulator User´s manual and Technical description = 1A 5A ( ) I n = 50Hz 60Hz 100V 110V 120V SPAU 341 C1 80...265 V ~ – RESET RESET > STEP STEP 18...80 V – ∆ <...
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Page 2: Table Of Contents
Delivery alternatives ..................... 19 Dimensions and mounting ................... 20 Ordering information ....................21 The complete manual for the voltage regulator SPAU 341 C includes the following submanuals: Voltage regulator manual, general part 1MRS 750110-MUM EN Automatic voltage regulating module, SPCU 1D50... -
Page 3: Area Of Application
The voltage regulator SPAU 341 C is intended rent or the overcurrent blocking feature is to be Area of to be used for regulating the voltage of power used, one or more phase currents have to be application transformers with on-load tap-changers in dis- measured. -
Page 4: Connections
Connections MAN' AUTO' LOWER' RAISE' TAP POS 15 16 SPA-ZC Fig. 2. Connection diagram for the voltage regulator SPAU 341 C... - Page 5 16 15 14 13 12 11 10 9 Made in Finland Serial Port = 63 6 7 8 9 10 11 12 13 14 15 16 MAN' AUT' LOWER' RAISE' BLOCK TAP POS. Fig. 3. Rear wiew of the voltage regulator SPAU 341 C...
- Page 6 9-10-11 Automatic or manual mode output relay, energized in automatic mode 14-15-16 Self-supervision output relay The voltage regulator SPAU 341 C is connected tor (SERIAL PORT) on the rear panel of the to the fibre-optic communication bus via a bus...
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Page 7: Power Supply Module
The power supply module is located behind the The power supply module is a transformer-con- Power supply system front panel of the regulator and can be nected, i. e. galvanically separated primary and module withdrawn after removal of the system front secondary circuits, flyback type rectifier. - Page 8 Technical data Voltage input Rated voltage U , selectable 100 V (110 V, 120 V) Terminal numbers X0/13-14 Continuous voltage withstand Rated burden of voltage input at U <0.5 VA Rated frequency according to order 50 Hz or 60 Hz Current inputs Nominal current I Terminal numbers...
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Page 9: Technical Data
SPCU 1D50 See the specific regulating module manual chapter "Technical data" SPCN 1D56 See the specific regulating module manual chapter "Technical data" Data communication Transmission mode Fibre-optic serial bus Coding ASCII Data transfer rate, selectable 4800 or 9600 Bd Optical bus connection module - for plastic cables SPA-ZC 21 BB - for glass fibre cables... -
Page 10: Line Drop Compensation
The line drop compensation feature is used for The line drop compensation also operates in Line drop compensating the voltage drop along a line or "reverse direction". At reversed power flow, the compensation network fed by the transformer. The compen- compensation reduces the secondary voltage of sation setting parameters can be calculated theo- the transformer according to the line drop, in-... -
Page 11: Parallel Operation
The voltage regulator SPAU 341 C is able to minimizing circulating current principle is Parallel operate parallel transformers in three ways: ac- achieved by using the serial communication operation cording to the master/slave, the negative reac- devices SPA-ZC 100. A maximum of three... -
Page 12: Address Codes
When two or more SPAU 341 C regulators are regulator applications. The factory configura- Address codes operated in parallel, using the bus connection tion can be used when the parallel connected modules SPA-ZC 100 as communication de- regulators are working independently, without vices, certain slave numbers have to be selected being connected to a substation bus system. -
Page 13: Applications
Applications Load Load shedding shedding stage 1 stage 2 Ω + (~) Uaux - (~) RAISE LOWER I L1 U 12 X0 63 X0 62 X1 13 SGF2/1=0 RSV 1/1 SGF2/6=1 SGF2/7=0 RSV 1/2 SGF2/8=1 Lower' Fig. 6. Application example for the voltage regulator SPAU 341 C1. The overcurrent blocking and the undervoltage blocking features complement each other, as the voltage is measured from phases L1 and L2 and the current from phase L3. - Page 14 U 12 U 12 Lower Raise Raise' Lower' Raise' Lower' Raise Lower SGF1/1=0 SGF2/8=0 SGF1/1=0 SGF2/8=0 I L1 I L1 SGF2/6=0 SGF2/6=0 I L2 I L2 SGF2/7=0 SGF2/7=0 I L3 I L3 Man' Aut/Man Man' Auto' Auto' SPAU 341 C1 SPAU 341 C1 Fig.
- Page 15 U 12 U 12 Lower Raise Raise' Lower' Raise' Lower' Raise Lower I L3 SGF1/1=0 SGF2/8=0 SGF1/1=0 SGF2/8=0 I L3 SGF2/6=1 SGF2/6=1 SGF2/7=0 SGF2/7=0 Man' Aut/Man Man' Auto' Auto' SPAU 341 C1 SPAU 341 C1 Fig. 8.The voltage regulator SPAU 341 C1 in parallel operation using the master/slave principle. Automatic selection of master regulator via digital inputs.
- Page 16 U 12 U 12 Lower Raise Raise Lower I L1 I L1 SGF2/6=0 SGF2/6=0 SGF2/7=0 SGF2/7=0 I L2, I L3 I L2, I L3 Rem/Loc (BLOCK) Rem/Loc (BLOCK) SGF1/3=1 SGF1/3=1 SPAU 341 C1 SPAU 341 C1 Remote/local selector switches Fig. 9. Voltage regulators SPAU 341 C1 in parallel operation using the negative reactance princi- ple.
- Page 17 Lower Raise – – Parallel Parallel I L1 (RSV) (RSV) I L1 Man' Auto' Man' Auto' SPAU 341 C SPAU 341 C Single/ Single/ R1 Adr. 10/11 R2 Adr. 20/21 Parallel Parallel – – – – Man' Auto' Man' Auto' Fig.
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Page 18: Start-Up
(RSV) (RSV) I L1 (RSV) I L1 I L1 Man' Auto' Man' Auto' Man' Auto' SPAU 341 C SPAU 341 C SPAU 341 C Single/ Single/ Single/ R2 Adr. 20/21 R3 Adr. 30/31 R1 Adr. 10/11 Parallel Parallel Parallel –... -
Page 19: Maintenance And Repair
STEP 18...80 V – Manual regulating module included PROGRAM PROGRAM REGISTERS / SETTINGS BLOCK SPCU 1D50 SPCN 1D56 AUT / MAN PARALLEL RS 488 Ser.No. SPCU 1D50 SPCN 1D56 SPC 000 Fig. 12. Voltage regulator SPAU 341 C, delivery alternatives... -
Page 20: Dimensions And Mounting
Raising frame SPA-ZX 301 SPA-ZX 302 SPA-ZX 303 Fig. 13. Dimension and mounting drawings for voltage regulator SPAU 341 C. The regulator case is made of profile aluminium parts of the disconnectable terminal blocks are and finished in beige. attached to the I/O module. The female parts are included in the delivery. -
Page 21: Ordering Information
Voltage regulator SPAU 341 C1: RS 488 003-AA, CA, DA, FA Ordering Voltage regulator SPAU 341 C3: RS 488 005-AA, CA, DA, FA information The letter combinations of the order number indicate the rated frequency f the operative range of the auxiliary supply: = 50 Hz, U = 80…265 V ac/dc CA: f... - Page 23 SPCU 1D50 Automatic voltage regulating module User´s manual and Technical description RESET STEP ∆ T1 s PROGRAM T2 s > < AUT / MAN > PARALLEL PARALLEL SPCU 1D50...
- Page 24 SPCU 1D50 1MRS 750111-MUM EN Issued 1996-08-07 Automatic voltage Modified 2000-06-16 Version D regulating module Checked Approved Data subject to change without notice Features .......................... 2 Contents Operation principle ......................3 Control voltage U ....................3 Reduce set voltage ..................... 3 Second settings ......................
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Page 25: Control Voltage U
the limits of ∆Uh during the delay time, the The voltage regulating module SPCU 1D50 Operation compares the measured secondary voltage U output signal is activated. Should, however, the principle rise or fall within the ∆U of the transformer to the control voltage U voltage U limits The control voltage U... -
Page 26: Line-Drop Compensation U
Line-drop The line-drop compensation feature of the volt- If the compensation parameters R and X are compensation U age regulating module SPCU 1D50 compen- unknown, the voltage can be calculated by meas- sates resistive and reactive voltage drop of the uring the voltage in both ends of the line and line fed by the transformer. -
Page 27: Manual/Automatic Mode Or Parallel Operation
Manual/automatic The operation mode of the regulator can be se- Direct control via external control inputs is al- mode or parallel lected in three ways: via external control inputs, ways active. Manual tap-changer control can be operation push-buttons, or control commands over the performed in the same three ways as the selec- serial communication link. -
Page 28: Remote/Local Control
Negative reactance If the software switch SGF1/2=1 and parallel = circulating current [kA] principle operation has been selected, the regulator starts = rated current of the power trans- operating according to the modified negative former [kA] reactance principle. By comparing the actual = rated phase-to-phase voltage of the phase-shift measured with the set load phase- power transformer... -
Page 29: Front Panel
Front panel Device symbol Indicators for the measured voltage U Indicator of the self-supervision phase currents Im and voltage difference U system Digital display RESET Indicator for reference voltage U STEP Indicator for bandwidth ∆U Display step push-button/ ∆ Reset push-button Indicator for time delay T1 T1 s PROGRAM... - Page 30 The setting values are indicated by the three display. Additional setting values are indicated Settings rightmost digits of the display. The LED indi- by the leftmost red digit of the display. The set- cators adjacent to the setting value symbols in- tings can be entered from the push-buttons on dicate the setting value being presented on the the front panel or over the serial port.
- Page 31 When the module is used in parallel operation attention should be paid to the settings of U T1 and T2 as follows: All voltage regulating modules operating in parallel must have the same voltage setting as they control transformers feeding the same busbar. If the value of one of the voltage regulating modules is higher than that of the others, the resulting voltage level will be higher than desired, because it will be determined by the mean value of the U...
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Page 32: Selector Switches
The software switchgroups SGF1 and SGF2 are panel. Normally only the checksums of the Selector switches used for selecting additional functions required switchgroups are displayed. These can be found for different applications. The switch numbers, in the main menu of the regulating module, see 1…8, and the position of the switches, 0 or 1, chapter "Menu chart". - Page 33 Switchgroup SGF2 Switch Function Default SGF2/1 External control input connection When SGF2/1 = 1, the RSV input is connected as parallel control input When SGF2/1 = 0, the RSV input is connected as RSV 1/1 control input SGF2/2 I> output relay connection When SGF 2/2=1, U>...
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Page 34: Measured Data
The measured data is displayed by the three being displayed. For further information on how Measured data rightmost digits of the display. The yellow LED to move in the menu, see "Menu chart". indicators above the display indicate the value Indicator Measured value Phase-to-phase voltage. -
Page 35: Recorded Information
The leftmost red digit indicates the address of Recorded the register and the three rightmost digits indi- information cate the "recorded value". Register/ Recorded information Default STEP setting Operation counter. Shows the number of raise and lower operations. Note! The control pulses given manually from the push-buttons are not counted. - Page 36 Register/ Recorded information Default STEP Example of how the status information is changing when three regulators are entering parallel operation from single operation. Inspection of SPCU 1D50 with address code 10. Three regulators running in single operation Red digit SI from A30 SI from A20 Own SI (A10) Regulator A10 selected in parallel operation...
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Page 37: Calibration Of Voltage Measurement
Register/ Recorded information Default STEP setting Display of external control signals Value Input First digit Raise’ Lower’ Second digit Auto’ Manual’ Third digit Blocking The TEST mode can be entered from register 0. In this mode the output signals can be activated one by one: Indicator Designation Output signal... -
Page 38: Menu Chart
Menu chart SUBMENUS MAIN MENU step 0.5s Program 1s FWD. STEP 1s REV.STEP 0.5s SUBMENUS Dark/Um Um - Un % Um,measured value Im2, current on L2 Im3, current on L3 Im1, current on L1 f , phase shift Ud, regulator error voltage Us, set voltage DUs, bandwidth T1, time delay... - Page 39 The procedure for entering a submenu or a set- in detail in "General characteristics of the D- ting mode, the configuration of the module and type relay modules". Below a short guide to the the operation of the TEST mode are described operations: Desired step or operation Push-button...
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Page 40: Technical Data
T1: The first delay time to start, when the meas- The inverse time function is defined by the fol- Inverse time ured voltage exceeds or falls below the limit lowing expression : characteristic value. ∆U T2: The second delay time to start, when the first voltage regulation fails. -
Page 41: Event Codes
When the voltage regulating module SPCU The events E50…E54 cannot be excluded from Serial 1D50 is connected to a control data communi- the event reporting. communication cator over the SPA bus, the module generates parameters events in the format: time, text and event code, At a maximum eight events can be stored in the spontaneously to the control data communica- event buffer. - Page 42 Code Event Weighting Default factor TCO input activated TCO input deactivated RSV input activated RSV input deactivated Blocking input activated Blocking input deactivated U>, output signal activated U>, output signal deactivated Default value of event mask V157 I>, output signal activated I>, output signal deactivated U<, output signal activated U<, output signal deactivated...
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Page 43: Remote Transfer Data
Remote transfer data In addition to the event codes (E events) the The password can be changed via the SPA bus substation level control data communicator is or using the push-buttons on the relay module. able to read all input data (=I data), set values The password is opened by writing a value to (=S data), control parameters (=V data) and the parameter V160 and closed by writing the... - Page 44 Outputs Parameters O1...O6 indicate the state of out- rameters gives the most recent value written and put signals at the moment of reading. The value not the actual output signal states. The param- of the Aut/Man output signal (parameter O6) eter O21 that enables the active signals of pa- is 1 when the module is in automatic mode and rameters O11...O16 to be transferred to the...
- Page 45 Data Para- Read or Value (range) meter write Main settings Reference voltage U 0.85…1.15 x U Bandwidth ∆U R,W(P) 0.60…9.00% of U Time delay T1 R,W(P) 0.0…300 s Time delay T2 R,W(P) 0.0…300 s Overcurrent blocking I> R,W(P) 1.00…2.00 x I Undervoltage blocking U<...
- Page 46 Data Para- Read or Value (range) meter write Control parameters Remote control of settings V150 R, W 0 = main settings active 1 = second settings active Parallel operation V152 R, W 0 = not active 1 = active Event mask V155 R, W 0...255, see paragraph...
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Page 47: Fault Codes
Data Para- Read or Value (range) meter write Reading of event register time, channel number and event code Re-reading of event register time, channel number and event code Module type designation SPCU 1D50 Reading of status data 0 = normal state 1 = module been subject to automatic reset 2 = overflow of event... - Page 49 SPCN 1D56 Manual voltage regulating module User´s manual and Technical description RESET > STEP < > PROGRAM BLOCK SPCN 1D56...
- Page 50 SPCN 1D56 1MRS 750112-MUM EN Issued 96-03-12 Manual voltage Version B Checked YK regulating module Approved TK Data subject to change without notice Features .......................... 2 Contents Description of operation ....................2 Function of control inputs ....................3 Front panel ........................3 Operation indicators .......................
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Page 51: Function Of Control Inputs
Tap-changer operating input (TCO) External blocking input Function of control inputs The tap-changer operating input is used to de- If the unit is externally blocked by the control clare that a raise or lower command is executed. input, the corresponding blocking LED is lit and any tap-changer control is prevented. - Page 52 Raise LED: Indicates by blinking that the unit The self supervision alarm indicator IRF indi- Operation is issuing a raise pulse. When the output is acti- cates that the self-supervision system has de- indicators vated, the LED is lit. tected a permanent fault. The red LED is lit about 1.5 minutes after the fault has been de- Lower LED: Indicates by blinking that the unit tected.
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Page 53: Settings
All settings can be entered either via the front most three digits of the display. The left-most Settings panel push-buttons or over the serial commu- digit shows, which setting value is indicated on nication. the display. How to locate the setting values with the man-machine interface, is described in the The setting values are displayed by the right- section "Menu chart". -
Page 54: Measured Data
The LED "pos" is lit and the two right-most Measured data digits indicate the tap-changer position. Measured value Display of measured tap-changer position. The left-most red digit of the display shows the Recorded address code of the register and the other three information digits the value of the register. -
Page 55: Menu Chart
Menu chart SUBMENUS MAIN MENU Program 1s step 0.5s FWD. STEP 1s REV.STEP 0.5s SUBMENUS Darkmode/Tap ch. pos. Tap-changer position 0.5 s SGF1, switchgroup Tap-changer pos. low Store low mA signal Tap-changer pos. high Store high mA signal OPD, output pulse duration Input status Module address code Data transfer rate... -
Page 56: Event Codes
When linked to a control data communicator Up to eight events can be stored in the event Event codes over the SPA bus, the module SPCN 1D56 pro- buffer. When the ninth event occurs, the code vides event markings, for instance, to a printer. E51 is obtained. -
Page 57: Remote Transfer Data
In addition to the event data all input data (I- can be read over the SPA bus. Also, part of the Remote transfer data), setting values (S-data), control parameters data can be altered by commands given over the data (V-data), and some other data of the module SPA bus. - Page 58 Data Para- Data Values meter direct. Measured values Highest tap-changer position 0…35 Lowest tap-changer position 0…35 Present tap-changer position 0…35 Control parameters Remote control of settings V150 0 = main settings activated 1 = second settings activated Event mask for output signals V155 0…255, see event codes Opening of password for remote settings...
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Page 59: Fault Codes
When the internal self-supervision system has The code is composed of a red figure 1 and a Fault codes detected a permanent fault, the red IRF indica- green code number. Below is a list of some of tor is lit and the output relay of the self-super- the most general fault codes appearing in the vision system operates. - Page 61 General characteristics of D-type relay modules User´s manual and Technical description 3 > Relay symbol Fastening screw Self-supervision alarm indicator Indicators for measured (Internal Relay Fault) quantities Display, 1 + 3 digits RESET > STEP t [ ] > Reset / Step push-button >>...
- Page 62 1MRS 750066-MUM EN General characteristics Issued 95-04-12 of D type relay modules Version A (replaces 34 SPC 3 EN1) Checked JH Approved TK Data subject to change without notice Front panel lay-out ......................1 Contents Control push buttons ..................... 3 Display ...........................
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Page 63: Display
The front panel of the relay module contains certain position in the main menu to the corre- Control two push buttons. The RESET / STEP push sponding submenu, for entering the setting push-buttons button is used for resetting operation indicators mode of a certain parameter and together with and for stepping forward or backward in the the STEP push button for storing the set values. -
Page 64: Settings
Part of the settings and the selections of the Selector switch- operation characteristic of the relay modules in Switch No Pos. Weigth Value groups SGF, SGB various applications are made with the selector and SGR switchgroups SG_ . The switchgroups are soft- ware based and thus not physically to be found in the hardware of the relay module. -
Page 65: Setting Mode
NOTE! During any local man-machine com- any doubt about the settings of the module to be munication over the push buttons and the dis- inserted, the setting values should be read using play on the front panel a five minute time-out a spare relay unit or with the relay trip circuits function is active. - Page 66 MAIN MENU SUBMENUS STEP 0.5 s PROGRAM 1 s Normal status, display off Current on phase L1 Current on phase L2 Current on phase L3 REV. STEP 0.5 s FWD. STEP 1 s Neutral current Io SUBMENUS Second setting Main setting Actual start value I>...
- Page 67 Example 1 Operation in the setting mode. Manual setting for the main setting is 0.80 x I and for the of the main setting of the start current value I> second setting 1.00 x I . The desired main start of an overcurrent relay module.
- Page 68 RESET STEP Set the digit with the STEP push button. 1 1. 0 5 PROGRAM Press the PROGRAM push button to make the decimal point flash. 1 1. 0 5 RESET STEP If needed, move the decimal point with the STEP push button.
- Page 69 Example 2 Operation in the setting mode. Manual setting SGF1/1and SGF1/3 are to be set in position 1. of the main setting of the checksum for the This means that a checksum of 005 should be switchgroup SGF1 of a relay module. The initial the final result.
- Page 70 RESET STEP The switch position is altered to the desired position 1 by pressing the STEP push button once. PROGRAM Using the same procedure the switches SGF 1/ 5 x 1 s 4...8 are called up and, according to the exam- ple, left in position 0.
- Page 71 The parameter values measured at the moment Submenu 2 of register A contains a bus commu- Recorded when a fault occurs or at the trip instant are nication monitor for the SPAbus. If the protec- information recorded in the registers. The recorded data, tion relay, which contains the relay module, is except for some parameters, are set to zero by linked to a system including a contol data...
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Page 72: Trip Test Function
Register 0 also provides access to a trip test The selected starting or tripping is activated by Trip test function function, which allows the output signals of the simultaneous pressing of the push buttons relay module to be activated one by one. If the STEP and PROGRAM. - Page 73 Example 3 Trip test function. Forced activation of the outputs. Step forward on the display to register 0. RESET STEP n x 1 s 0 0 0 0 Press the PROGRAM push button for about 3 > five seconds until the three green digits to the right.
- Page 74 To proceed to the next position press the PRO- 3 > GRAM push button for about 1 second until the indicator of the second setting starts flash- 0 0 0 0 ing. RESET > STEP PROGRAM t [ ] > >>...
- Page 75 A relay module is provided with a multiple of indicator is reset by means of the RESET push Operation separate operation stages, each with its own button of the relay module. An unreset opera- indication operation indicator shown on the display and a tion indicator does not affect the function of the common trip indicator on the lower part of the protection relay module.
- Page 76 ABB Oy Substation Automation P.O.Box 699 FIN-65101 VAASA Finland Tel. +358 (0)10 22 11 Fax.+358 (0)10 22 41094 www.abb.com/substationautomation...