Summary of Contents for Kuhse KNAE 3 Series
- Page 1 MANUAL Mains failure monitor for mains parallel operation KNAE 3xx Alfred Kuhse GmbH An der Kleinbahn 39 D-21423 Winsen | Germany Fon +49. (0)4171.798.0 Fax +49. (0)4171.798.117 www.kuhse.de...
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Page 2: Table Of Contents
Manual KNAE 3xx Content General Remarks ......................5 Safety Information ......................6 Measurement ........................ 6 Voltage Measurement ....................6 Frequency Measurement ....................6 3-Wire- and 3-Wire+N - Systems .................. 7 1-Wire Operation ......................7 Behaviour at low Voltages .................... 7 Installation ........................ - Page 3 Manual KNAE 3xx 7.1.4 Locking of Trippings ....................22 7.1.5 Central Fault ....................... 23 7.1.6 Central Fault 1+2 ......................23 7.1.7 Display First Fault ....................... 23 Limit Value Settings ....................23 7.2.1 Rotary Field Protection ....................23 7.2.2 Angle Protection ......................24 7.2.3 Voltage Tripping......................
- Page 4 Manual KNAE 3xx Configuration (Konfig. / Config – Group 1) ..............48 15.1 Limit Values (Grenzwerte / Limits – Group 4) .............. 49 15.2 15.3 Analogue Outputs ....................... 53 Digital Outputs (Digi. Ausg. / OUT – Group 6) ............. 53 15.4 Digital Inputs (Digi.
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Page 5: General Remarks
Manual KNAE 3xx General Remarks The KNAE 3xx is a device for the monitoring of a 1- or 3-phase mains system on frequency, voltage, phase sequence, angular shift, rate of change of frequency (ROCOF) and vector jump. It is based on 32-bit microcontroller technology and is featured with a backlit graphic display (132 x 32 pixels). -
Page 6: Safety Information
Manual KNAE 3xx Safety Information The following safety and installation instructions must be observed when handling the device: Installation and commissioning only by trained professionals. The user is responsible for checking the correct configuration of the KNAE 3xx before commissioning or maintaining the device. Maximum values given in this description must not be exceeded. -
Page 7: 3-Wire- And 3-Wire+N - Systems
Manual KNAE 3xx 3-Wire- and 3-Wire+N - Systems Measuring with or without star-point may be selected by the choice of the measurement method. At measuring without star-point, it is not necessary to connect a neutral conductor. Due to a special internal wiring of the terminals, in a 3-wire + N –... -
Page 8: Connection Diagram
The settings can be done by the supplied, respectively for downloading on our homepage www.kuhse.de available parameterisation software KuPa010, alternatively inputs are possible directly at the device. -
Page 9: Operation
Manual KNAE 3xx Operation The KNAE 3xx is served by means of 2 buttons as well as 4 DIL switches, which can be reached after removal of the front lid. Using the USB interface, the parameterisation can be carried out with the PC-Software KuPa010. Overview of the Control Elements The control elements, DIL switches and communication interface (USB interface) are only accessible, when the front lid of the KNAE... -
Page 10: Buttons
Manual KNAE 3xx 5.1.1 Buttons For direct access to the operation of the device, the Voltage - Frequency Guard KNAE 3xx has two buttons (figured below). In connection with the DIL switch (see chap. 5.1.2) and the graphic display, almost all relevant settings can be performed directly at the device. The following functions are assigned to the buttons: UP button UP Button... -
Page 11: Leds
Manual KNAE 3xx 5.1.3 LEDs The LEDs have the following functions LED E1 … E3: The LEDs represent the corresponding digital input. If the input is activated (bridged to KL 1), the associated LED is on (yellow). Hereby the parameterisation of the input after quiescent or working current does not matter. -
Page 12: Display View
Manual KNAE 3xx Display View 5.2.1 Main Screen The main screen shows all relevant measured values and messages. Frequency Measured values 50.01 Hz .2 % 50.01 Hz Enter button 230 V .4 % 230 V UF/F OK UF/F OK .3 % Kind of grid / nominal voltage Status Using the Enter button the displaying of measuring values can be switched between relative and... -
Page 13: 5.2.2.1 Last Message
Manual KNAE 3xx No. of the actually displayed tripping Number of trippings in total Enter button next fault low voltage 1 Enter long date : Su 02.10.2016 fault messages time : 01:21:42 fault next: Up button low voltage 1 STM memory: Enter button Datum : Su 02.10.2016... -
Page 14: 5.2.2.2 Measuring Values
Manual KNAE 3xx 5.2.2.2 Measuring Values The current measured values are displayed in the menu 'Measuring Values'. By means of the parameterisation, the display ranges can be pre-selected or can be set as automatic range switching (default setting 0 -> see chap. 6). Scrolling is done using the Up button. -
Page 15: 5.2.2.4 Info
For a correct adjustment to each individual application, the parameterisation of the device is required. For parameterisation the use of the supplied, respectively for downloading on our Homepage www.kuhse.de available parameterisation software KuPa010 is recommended. The modification of the most operating settings by direct input at the device is possible as well. -
Page 16: Measurement Range Selection
PC and printed out for documentation purposes. For detailed user instructions of KuPa010, please refer the related user manual, available as download on our homepage www.kuhse.de. Configuration at the Device The setting of most values is also possible directly at the device. The menu for editing the parameters is called up in operating mode (see chap. -
Page 17: Parameter Setting
Manual KNAE 3xx Parameter Setting If the DIL switch S2 is closed (ON), the device display changes to the parameter setting. To exit the parameterisation, the DIL switch S2 must be opened (OFF) again. If the parameterisation is exited without correctly completing of a begun input, the newly set value gets lost and the previous setting remains active. -
Page 18: Entering Of A Value
Manual KNAE 3xx group group scroll with function switching behaviour parameter: parameter: Up button value: value: Press the Enter key to call up the menu for the editing of the parameter to be changed. After the entry has been made and the change is confirmed (see chap. 6.6.2), the display returns to the menu of the current parameter subgroup. -
Page 19: Setting The Fault Message Coding
Manual KNAE 3xx When the last digit (the left position) of the value to be changed has value changed been edited and confirmed with the Enter key, a safety query occurs, cancel with UP with which the change of the parameter value must be confirmed. save with ENT Using the Up button, the current change can be discarded here. -
Page 20: Setting Of Time And Date
Manual KNAE 3xx Setting of Time and Date The real-time clock integrated in the KNAE 3xx operates in 24h format and continues to run for at least 72 hours in case of auxiliary power supply fails. Date and time of the KNAE 3xx can be adjusted in different ways. -
Page 21: Language Selection And Switching
Manual KNAE 3xx Language Selection and Switching Basically the display texts are available at the device in 2 languages. The factory default is German and English. Other languages can be set up at the customer's request and thus made available on the device display by means of the parameterisation software. -
Page 22: Tripping Of Limit Values
Manual KNAE 3xx 7.1.2 Tripping of Limit Values The tripping is basically carried out when the respective measured value exceeds or falls short of the set limit value and the set delay time has elapsed. Each trigger value has its own delay time. The delay times are individually adjustable for each limit value in the range from 0.05 s to 999.9 s. -
Page 23: Central Fault
Manual KNAE 3xx 7.1.5 Central Fault All limit value messages are entered into the central fault signal if the limit value message is activated, the limit value is exceeded respective fallen short of and the delay time has elapsed. 7.1.6 Central Fault 1+2 The device offers the possibility to form two independent central fault signals. -
Page 24: Angle Protection
Manual KNAE 3xx 7.2.2 Angle Protection Function Range Hysteresis Delay time Tolerance -5.0 … -60.0° 1° … 20° 0.05 s … 999.99 s Angle min. +/-0.5° -0.01 / +0.02 s 5.0 … 60.0° 1° … 20° 0.05 s … 999.99 s Angle max. -
Page 25: Voltage Average Tripping
Manual KNAE 3xx Example: If the voltage difference between two phases exceeds 10.0 % (L1 = Asymmetric 235 V, L2 = 211 V, L3 = 230 V at 230 V nominal voltage), the signal limit value 10 % 'Voltage asymmetric is set after 0.05 s. The switching back occurs as soon as the difference becomes less than 9 % (10.0 % - 1.0 %). -
Page 26: Frequency Triggering
Manual KNAE 3xx 7.2.7 Frequency Triggering Function Range Hysteresis Delay time Tolerance Underfrequency 1 35.00…65.00 Hz 0.05…2,00 Hz 0.05 s…999.99 s +/-0.01 Hz -0.01 / +0.02 s 35.00…65.00 Hz 0.05…2,00 Hz 0.05 s…999.99 s +/-0.01 Hz -0.01 / +0.02 s Overfrequency 1 Underfrequency 2 35.00…65.00 Hz 0.05 …2,00 Hz 0.05 s…999.99 s +/-0.01 Hz -0.01 / +0.02 s 35.00…65.00 Hz 0.05…2,00 Hz 0.05 s…999.99 s +/-0.01 Hz -0.01 / +0.02 s... -
Page 27: Delta F To Delta T (Rocof)
Manual KNAE 3xx 7.2.9 Delta f to Delta t (ROCOF) Function Range Hysteresis Delay time Tolerance ROCOF 1 0.01 … 10.00 Hz/s 0.05 … 999.99 s +/-0,01 Hz -0.01 / +0.02 s ROCOF 2 0.01 … 10.00 Hz/s 0.05 … 999.99 s +/-0,01 Hz -0.01 / +0.02 s The as well two stage executed limit value function Δf/Δt (ROCOF - rate of change of frequency) -
Page 28: Reading Out The Tripping Memory
Manual KNAE 3xx 7.3.1 Reading out the Tripping Memory The tripping memory of the KNAE 3xx can be read out with the parameterisation software KuPa010 by clicking the corresponding button (figured left). In the window that appears thereupon, all stored fault messages are listed chronologically. -
Page 29: Voltage Indication / Transformer Factors
Manual KNAE 3xx Each switching point can be assigned to a relay output (see chap. 11.1 - Digital Outputs) The output relay then switches according to the parameterisation when the respective measured value is exceeded or undershot. No messages are displayed. Switching points are NOT considered in the fault message processing! Voltage Indication / Transformer Factors... -
Page 30: Vde-Ar-N 4105:2011-08
Manual KNAE 3xx VDE-AR-N 4105:2011-08 The KNAE 3xx can be applied within a plant, which works in accordance to the norm VDE-AR-N 4105:2011-08. The following functions are supported: PIN protection activeatable Single fault security Input parameterisable for test button ... -
Page 31: Vde4105 Test Input
Manual KNAE 3xx VDE4105 Test Input Using the input function 'VDE4105 test input' (see chap. 10.1 - Digital Inputs, function number 8), it is possible to perform a test of the monitoring function. (fault simulation). Activating of a corresponding parameterised input results in de-energising of the relays, which are configured for the monitoring, and in a newly start of the 60 s switching-on monitoring. -
Page 32: Protective Function
Manual KNAE 3xx The relay function 'VDE4105 OK + release + enable' (see chap. 11.1 - Digital Outputs, function number 34) is identical, but requires additionally a parameterised input (see chap. 10.1 - Digital Inputs, function number 7), for the release of the switching-on. Thereby the input function is delayed by 0,5 s. -
Page 33: Bdew Dynamic Grid Support
Manual KNAE 3xx BDEW dynamic Grid Support According to the BDEW (Bundesverband der Energie- und Wasserwirtschaft) guideline 'Erzeugungsanlagen am Mittelspannungsnetz' (power generating plants at the medium voltage grid), chapter 2.5.1.2 ' Dynamische Netzstützung' (dynamic grid support), the KNAE 3xx can be applied in medium voltage systems for voltage monitoring. -
Page 34: Monitoring Of The Relay- (Contactor-) Feedback
Manual KNAE 3xx Function Description change language Changing of the display language depending on the parameter setting. The language switching can be deactivated. switching enable The relay output, which is assigned to the function 'VDE-4105 Ok + release' only picks up, when the VDE-4105 Ok signal and the input are active. - Page 35 Manual KNAE 3xx pulse duration' means, that the corresponding relay remains energised for at least the set time, even if the event which led to the tripping is of a shorter duration. If the event is longer than the set time, the relay de-energises without delay.
- Page 36 Manual KNAE 3xx Function Description voltage 2 OK The corresponding output relay is activated, when the limit values 'undervoltage 2’ and ‘overvoltage 2' are not active (see chap. 7.2.3). (voltage tripping) low voltage 1 or 2 The corresponding output relay is activated, when one of the both limit values ‘undervoltage 1’...
- Page 37 Manual KNAE 3xx Function Description high frequency 1 or The corresponding output relay is activated, when one of the both limit values 'overfrequency 1' or 'overfrequency 2' is exceeded and the (frequency tripping) delay time has elapsed (see chap. 7.2.7). vector jump 1 The corresponding output relay is activated, when the limit value (vector jump tripping)
- Page 38 Manual KNAE 3xx Function Description VDE-4105 The corresponding output relay is activated, when the VDE-4105 underfrequency underfrequency limit value (see chap. 0) is undershot and the delay (VDE-AR-N-4105:2011-08) time has elapsed. VDE-4105 The corresponding output relay is activated, when the VDE-4105 overfrequency overfrequency limit value (see chap.
- Page 39 Manual KNAE 3xx Function Description global disable The corresponding output relay is energised, if the function 'global (digital inputs) disable' via digital input (see chap. 10.1) is activated. disable 1 The corresponding output relay is energised, if the function 'disable 1' (digital inputs) via digital input (see chap.
- Page 40 Manual KNAE 3xx Function Description logic 2 The corresponding output relay is activated, if the function 'logic 2' (logic functions) (see chap. 12 - Logic Functions) has the output value 'true'. logic 3 The corresponding output relay is activated, if the function 'logic 3' (logic functions) (see chap.
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Page 41: Analogue Outputs (Optionally Available)
Manual KNAE 3xx 11.2 Analogue Outputs (optionally available) The KNAE 3xx is available optionally with two analogue (1 x 0(2) ... 10 V, 1 x 0(2) ... 10 V/ 0(4) … 20 mA, switchable) outputs, which can be freely assigned to various functions, listed in the table below. -
Page 42: Logic Functions
Manual KNAE 3xx Working area Description Only analogue output 1, reversible via parameterisation on 0(4)..20 mA 0 … 20 mA The output operates from 0 up to 20 mA without limit. 4 … 20 mA The output operates from 4 up to 20 mA without limit. 0 …... -
Page 43: And - Gate (1)
Manual KNAE 3xx 12.1 AND – Gate (1) 2 parameterisable inputs are logical 'AND' linked. 12.2 OR – Gate (2) 2 parameterisable inputs are logical 'OR' linked. 12.3 Exclusive OR – Gate (3) 2 parameterisable inputs are logical 'EXCLUSIVE OR' linked. 12.4 AND-Not –... -
Page 44: Timer - Drop Down Delayed
Manual KNAE 3xx 12.8 Timer – drop down delayed After drop out of the input signal, the output of the timer switches off only after the set delay time has elapsed (example figured left: 1,0 s). 12.9 Fault Message Assignment All logic and timer functions can be assigned to the 'central fault', 'central fault 1' and 'central fault 2'. -
Page 45: 13 Technical Data
Manual KNAE 3xx 13 Technical Data Assembly and commissioning only by trained professionals Connecting in compliance with VDE 0160 Auxiliary voltage 24 V DC (18 ... 36 V) optionally 230 V AC / 12 V DC Power consumption approx. 4 W at 24 V DC, approx. 6 VA at 230 V AC Digital inputs LowActive (contact voltage 12 V DC, 5 mA, opto-decoupled), cables not longer than 3 m... -
Page 46: Triggering Values
Manual KNAE 3xx 13.1 Triggering Values Minimum triggering Setting range Resolution Repeatability delay Over- / 10 up to 199 % 0.1 % < 0.1 % < 60 ms, typ. 48 ms Undervoltage nominal voltage Over- / 35.0 ... 65.0 Hz 0.01 Hz <... -
Page 47: 14 Connection Example
Manual KNAE 3xx 14 Connection Example BA-KNAE 3xx_EN Version 01 Seite 47 von 57 Datum: 30.Nov.2017... -
Page 48: 15 Parameter Groups
Manual KNAE 3xx 15 Parameter Groups 15.1 Configuration (Konfig. / Config – Group 1) The parameter group 1 contains two parameters per subgroup (refer to chap. 6.6). The following settings are available: Parameter Description Setting range Default 0001 … 9999 1.6.1 4-digit PIN Code 0001... -
Page 49: Limit Values (Grenzwerte / Limits - Group 4)
Manual KNAE 3xx Parameter Description Setting range Default 0 … 50 % 1.21.1 Minimum brightness of the lighting in 10 % 1.21.2 brightness min. without function 0 … 600 sec. 1.22.1 Time until activating brightness min. in 60 sec. screensaver 1.22.2 x sec. - Page 50 Manual KNAE 3xx Parameter Description Setting range Default 0.05 … 999.99 sec. deactivated 4.3.3 xx.x % (1000000000001001) 4.3.6 Triggering delay in xx.xx sec. (see chap. 6.6.3) Coding of fault message behaviour 10.0 … 199.9 % 4.4.1 Trigger switching point in 120.0 % 0.5 …...
- Page 51 Manual KNAE 3xx Parameter Description Setting range Default Coding of fault message 7.2.8) behaviour (see chap. 6.6.3) 5.0 … 45.0 ° 4.10.1 Trigger switching point in xx.x 12.0 ° 0 … 5 (see chap. 4.10.3 ° L1 or L2 or vector jump 2 4.10.6 Function (see chap.
- Page 52 Manual KNAE 3xx Parameter Description Setting range Default 1.0 … 100.0 % 4.17.1 Trigger switching point in 90.0 % 0.5 … 50.0 % 4.17.2 xx.x % 5.0 % 0.05 … 999.99 sec. 4.17.3 voltage average Switch-back hysteresis in 1.00 sec. deactivated 4.17.6 deviation...
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Page 53: Analogue Outputs
Manual KNAE 3xx 15.3 Analogue Outputs Parameter Description Setting range Default 5.1.1 working range 0 .. 3 (see chap. 11.2) 1 (2 .. 10 V) -150.0 … 150.0 % 5.1.2 start value (at 0 resp. 2 V) 0.0 % analogue 1 -150.0 …... -
Page 54: Digital Inputs (Digi. Eing. / In - Group 7)
Manual KNAE 3xx 15.5 Digital Inputs (Digi. Eing. / IN – Group 7) The parameter group 7 contains two parameters per subgroup (refer to chap. 6.6.2). The following settings are available: Parameter Description Setting range Default 7.1.1 E1 / function 0 .. -
Page 55: Vde4105 Settings (Vde4105 - Group 9)
Manual KNAE 3xx 15.7 VDE4105 Settings (VDE4105 – Group 9) The parameters of the VDE4105 monitoring are activated by assignment of a corresponding function of the digital outputs (see chap. 0 and 11.1). The relevant settings are subject to the provisions of the VDE4105 and cannot be changed. -
Page 56: Datum: 30.Nov
Manual KNAE 3xx Parameter Description Setting range Default 0 … 47 (see chap. 10.1) 11.3.3 function E2 0 (deactivated) 11.3.4 1 / 0 (inverse / normally) 0 or 1 0 (normally) 0 … 6 (see chap. 12) 11.3.5 logic functions 0 (deactivated) auto-reset 11.3.7... - Page 57 Alfred Kuhse GmbH An der Kleinbahn 39 D-21423 Winsen | Germany Fon +49. (0)4171.798.0 Fax +49. (0)4171.798.117 www.kuhse.de...
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