Voltage Controller TAPCON 250

Transcription

1 Voltage Controller TAPCON 250 Quick Reference Guide

2 2009 All rights reserved, Maschinenfabrik Reinhausen Unauthorised copying and distribution of this document and the utilisation and communication of its contents are strictly prohibited unless expressly authorised. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or ornamental design registration. The product may have been modified after this document went to press. We expressly reserve the right to make changes to the technical data, the design or the scope of delivery. In general, the information provided and the arrangements agreed during processing of the relevant offers and orders are binding. The original operating instructions were drawn up in German.

3 1 Introduction This technical file contains information for quick start-up of the voltage controller. It does not provide comprehensive operating instructions. This technical file is intended solely for specially trained and authorised personnel. 1.1 Manufacturer The voltage controller TAPCON 250 is manufactured by: Reinhausen Manufacturing Inc North 9th Avenue Humboldt, Tennessee 38343, USA Phone: (+1)731/ Fax: (+1)731/ Further copies of this technical file are available from the above address or at if required. Maschinenfabrik Reinhausen

4 1.2 Completeness This technical file is only complete in conjunction with the supporting documentation. 1.3 Supporting documents The installation and commissioning instructions and the accompanying connection diagrams also apply in addition to this technical file. All documents are part of the scope of delivery. In addition, generally applicable statutory and other binding regulations in European and national legislation and the regulations for accident prevention and environmental protection in force in the country of use must be complied with. 1.4 Safekeeping This technical file and all supporting documents must be kept ready to hand and accessible for future use at all times. 2 Maschinenfabrik Reinhausen 2009

5 1.5 Notation conventions Hazard communication system Safety instructions are classified in accordance with ANSI Z535/6 They are structured as follows: SIGNAL WORD Danger Consequences Action Action Signal word Danger Warning Attention Hazard level immediate threat of danger possible threat of danger possible dangerous situation Consequence of failure to comply Death or serious injury will occur Death or serious injury could occur minor or moderate injury may occur Maschinenfabrik Reinhausen

6 Signal word Note Hazard level possible dangerous situation Consequence of failure to comply Material damage Table 1 Signal words in safety instructions Information system Information is designed to simplify and improve understanding of particular operational procedures. In this document it is laid out as follows: Important information. 4 Maschinenfabrik Reinhausen 2009

7 2 Safety This technical file does not replace the operating instructions for the voltage controller. The quick reference guide includes information, to ensure a rapid introduction to operation of the voltage controller. For detailed operation and safety information please read carefully through the voltage controller operating instructions. Pay particular attention to the information in the chapter on safety in the operating instructions. 2.1 Safety Instructions All warnings and safety instructions must be observed at all times! Danger of death and risk of injury! Not following the safety instructions may lead to accidents and severe personal injury. Please read these operating instructions before commissioning the equipment! Read the operating instructions before commissioning the TAPCON 250. As Maschinenfabrik Reinhausen

8 operator, you are responsible for ensuring that users of the equipment have fully understood the operating and safety instructions. Always connect the TAPCON 250 to an electrical ground! To avoid shock hazard, the chassis must be connected to an electrical ground. When servicing the TAPCON 250 in a test area, the protective earth terminal must be attached to a seperate ground securely by use of a tool since it is not grounded by external connectors. Only suitably qualified personnel should work at the TAPCON 250! The TAPCON 250 contains high voltages which can cause serious injury or death! It is designed exclusively for application in electrical or energy systems and facilities operated by appropriately trained staff who are familiar with the installation, operation and maintenance of such products. Exercise due care when operating or servicing alone.

9 Do not operate the TAPCON 250 in an explosive environment! Do not operate this equipment in the presence of flammable or explosive gases or fumes. To do so would risk a possible fire or explosion. Keep away from live circuits! Operating personnel must not remove the cover or expose the printed circuit board while power is applied. Dangerous voltages may exist even when power is disconnected. To avoid electrical shock, always disconnectpower and discharge circuits before working on the unit. Do not modify the TAPCON 250! Do not perform any unauthorized changes on the TAPCON 250. Contact Reinhausen Manufacturing regarding any modification. If authorized modifications are to be attempted, be sure to follow replacement procedures carefully to assure that safety features are maintained. Maschinenfabrik Reinhausen

10 Avoid static charge! The TAPCON 250 contains MOS circuitry which can be damaged by improper test or rework procedures. Avoid static charge on work surfaces and service personnel. Use extreme caution during any diagnostic work! Any attempt to perform any diagnostic work or connection between points on the printed circuit board, unless services noted in the Operating Instructions is likely to cause damage or permanent failure to the TAPCON Maschinenfabrik Reinhausen 2009

11 3 Product Description 3.1 Technical Data / Information Environmental Temperature Operation -13 F +158 F (-25 C +70 C)* *extended temperature range on demand Applicable Standards IEC Dry Cold -40 F/ -40 C for 96 hours IEC Dry Heat +176 F/ +80 C for 96 hours IEC Damp Heat 104 F/ +40 C for 96 hours, rel. air humidity 93% IEC Damp Heat, cyclic (12 h +12 h), 131 F/ 55 C, stress duration: 6 cycles Mold Resistance A conformal coating on the printed circuit is used to inhibit mold growth. Maschinenfabrik Reinhausen

12 3.1.2 Transient Protection High voltage 1,500 VAC rms to ground for one minute with a leakage current not to exceed 15 IEEE C ,000 Vpk Fast Transient Burst 2002 IEC Contact Discharge Electrostatic +/-8kV discharge test Air Discharge +/-15 kv IEC V/m, ,000 Immunity against HF MHz fields IEC khz (1 Fast transient min.) disturbance test IEC ,000 Vpk Immunity against Surge IEC V, 150 khz Immunity against HF MHz on lines IEC ,000 A/m, 60 Hz, continuous Immunity against magnetic fields Radiated electromagnetic withstand capability All units are protected against electromagnetic radiated interference from portable communications transceivers. 10 Maschinenfabrik Reinhausen 2009

13 3.1.3 Industrial Certifications TAPCON 250 is a UL Listed (Industrial Control Equipment) device Technical Data Protective Housing Dimensions 5.81 x 8.5 x 3.08 (W x H x D) (147.6 x 216 x 78.2 mm) Weight approx. 6.2 lbs (2.8 kgs) Warranty The TAPCON 250 is offered with a limited fiveyear warranty from date of shipment of original purchase. An extended warranty is also available. 3.2 General Information These operating instructions provide a quick overview of the main functions of the TAPCON 250 controller, enabling you to put the device into operation very quickly. More comprehensive information about the configuration and operating principle of the voltage controller along Maschinenfabrik Reinhausen

14 with settings for special applications can be found in the following document: Operating instructions BA297 Digital On-Load Tap Changer Voltage Controller TAPCON Connection The TAPCON 250 is powered by a measurement voltage from a potential source ranging from 85 to 140 VAC ( Hz) on pin P2.1(Line) and pin P2.3(Neutral). The voltage controller alternatively accepts an external 12 VDC power supply on terminal P3, [P3.1(+) and P3.2(-)], for continuous operation during an AC power outage. Assembly instructions: Familiarize yourself with the inputs and outputs at the bottom of the voltage controller. Ensure proper grounding of the voltage controller by means of the chassis ground screw attached to the housing. This connection maintains the EMC characteristics of the device. 12 Maschinenfabrik Reinhausen 2009

15 Connect the voltage controller according to the wiring diagram, the connection diagram (see fig. 3; for detailed description see operating instructions BA297) and according to the wiring diagram of the respective motordrive. Refer to specific adapter panel information provided separately for wiring details. Maschinenfabrik Reinhausen

16 3.4 User Interface Description of the front panel Figure Front panel Maschinenfabrik Reinhausen 2009

17 1 LEDs The LEDs indicate overcurrent, under voltage, overvoltage, parallel active, NORMset active and (5) assignable functions or modes. 2 Function keys F1 F5 These soft keys are used to navigate the menu subgroups or adjust specific parameter settings in the input screens. 3 Status LED If the status LED is illuminated, the device is working properly. 4 MENU key This key, when pressed, displays the initial menu screen. 5 ESC key The ESC key, when pressed, displays the previous higher menu level or returns to the operating display. 6 Enter key Once a value or setting is changed in a specific parameter menu, this key must be pressed to enter the new parameter into the operating memory. 7 Arrow keys In Auto and Manual mode, the arrow keys can be used for changing the Measured value display (see display layout, Fig. 2) and for navigating between the parameter screens within a menu sub-group. Maschinenfabrik Reinhausen

18 Changing the measured value display By default, the system deviation rate du is displayed first when the device is switched on. Deviation - du - current (A) - apparent power (VA) - active power (W) - reactive load (VAr) - phase angle (deg.) - Cos can also be displayed by pressing the scroll arrow keys. 8 Serial interface COM 2 The COM2 port used to connect the TAPCON 250 voltage controller with a PC only for parameter settings. The TAPCON-trol system parameter software and interface cable are included with each controller. 9 Contrast 10 Automatic mode Indication only; this mode can be controlled separately by a 120VAC input (see fig. 3). 11 Manual mode Indication only; this mode can be controlled separately by a 120VAC input (see fig. 3) 12 Remote mode Indication only; this mode can be controlled separately by a 120 VAC input (see fig. 3). 13 Raise/Lower keys The on-load tap-changer can be operated via the Raise/ Lower keys (changing the step voltage). During Auto mode, the raise/lower command has to be confirmed with Enter in the upcoming display before the TAPCON 250 signals a raise/lower command. 16 Maschinenfabrik Reinhausen 2009

19 3.4.2 Description of the display Figure 2 LCD graphic display 1 Status line; display menu items or error/alarm messags 2 Actual measured voltage level in V/kV 3 Reference or alternate voltage level in V/kV 4 Measured value display (voltage deviation and other values) 5 Tap changer operating position 6 Deviation from reference or alternate voltage level 7 Timing bar Maschinenfabrik Reinhausen

20 3.5 External Connections GPI 1 (User-Programmable Input 1) GPI 2 (User-Programmable Input 2) GPI 3 (User-Programmable Input 3) GPI 3 (User-Programmable Input 3) 18 Maschinenfabrik Reinhausen 2009

21 Notes Motor voltage may be 120 or 240 V to neutral, or 240 V phase-to-phase. A ground connection has to be provided to the CT/VT s neutral connection, external to the control. Note that optocoupler status inputs Man/Auto, Loc/Rem, and Raise/Lower at P2-26, 27,28, & 29 are referenced to the common inputs P2-23 and P2-25. These common inputs must be wired in accordance with the correct reference voltages in order to avoid possible damage. WARNING! WARNING When an adapter panel is not used, automatic shorting of CT inputs is not providedby the TAPCON 250; the customer must provide a method for shorting the CT s before the control is disconnected. When an adapter panel is not used, the TAPCON 250 has to be protected by an external fuse (0.375 A, slo-blo ) on pin P2.1. Figure 3 Wiring scheme for definition of external connections Maschinenfabrik Reinhausen

22

23 4 Parameters 4.1 NORMset Activating the NORMset function (optional) Menu => NORMset => NORMset Activation The term NORMset function is an automated control function which considerably simplifies the parameter setting of a voltage controller. This feature should not be activated if the user wants to set his/her own fixed bandwidth. If the user knows wants to use his or her own bandwidth setting, then this feature should be set to Off and the user should begin reading at section 7.2 of this guide. The only requirement left to do for the operator when commissioning during the NORMset mode is to enter the reference voltage level and, if required, the CT/VT values and subsequently place the device into operation. Maschinenfabrik Reinhausen

24 All other parameters required for simple voltage regulation will be preassigned at the factory (e. g. bandwidth of 1 %). Should the actual value exceed the set bandwidth, an appropriate switching operation will be initiated at the on-load tap-changer. The voltage change ensuing from the switching operation corresponds to the transformer s tap voltage and is checked for plausibility by the controller, using the preset bandwidth. The bandwidth value is then corrected and optimized in accordance with the results determined by this function/mode. If the next system deviation occurs, the new bandwidth will be used as basis, which will be rechecked and readjusted, if necessary. Should the marginal conditions change, the controller will again optimize itself automatically. Specific settings such as LDC, parallel operation or position display among others are still applicable and can be changed in the standard mode. These settings will be taken into consideration during the NORMset mode of operation to optimize the voltage and the use of the tap changer. 22 Maschinenfabrik Reinhausen 2009

25 The parameters for undervoltage/overvoltage and overcurrent are not set by the NORMset function. If required, these parameters have to be entered manually during commissioning/initiation. The NORMset function is deactivated during parallel operation. Setting the primary voltage Menu => NORMset => Primary voltage Setting Range: kv Setting the secondary voltage Menu => NORMset => Secondary voltage Setting range: V Maschinenfabrik Reinhausen

26 Setting the reference voltage level 1 within NORMset Menu => NORMset => Reference voltage level 1 Setting range: V The setting of the reference voltage level 1 refers either to the secondary or to the primary voltage side of the voltage transformer connected to the TAPCON 250. The secondary voltage is displayed in Volt (V), the primary voltage in kilovolt (kv). If NORMset function is off for operation, the reference voltage level 1 can be set in the PARAME- TER menu subgroup. This display requires the correct input of the CT/ VT data in the following two menu windows. 24 Maschinenfabrik Reinhausen 2009

27 4.2 CT/VT data Menu => Configuration The transformer ratios and measuring values of the voltage and current transformers applied can be set in the corresponding menus within the CONFIGURATION subgroup and use of the soft function keys F1 thru F5. Setting the primary VT voltage Menu => Configuration => Data of meas. Trf. => Primary voltage Setting range: kv Setting the secondary VT voltage Menu => Configuration => Data of meas. Trf. => Secondary voltage Setting range: V Maschinenfabrik Reinhausen

28 Setting the primary CT current Menu => Configuration => Data of meas. Trf. => Primary current Setting range: ,000 A Setting the phase angle relationship of current/voltage transformers This setting of the conventional measuring circuits is in accordance with fig. 4. Menu => Configuration => Data of meas. Trf. => Instr. transformer circuit 26 Maschinenfabrik Reinhausen 2009

29 Figure 4 Measurement circuits Maschinenfabrik Reinhausen

30 Setting the time and date Menu => Configuration => Continue => Memory Press the Right Arrow key (screen 06) six times to view the input field for the system time. Press the F4 function key to select the digit(s) you want to edit and then press the F1 and F5 keys to set the display forward or backward in one-step increments. The time format in HH:MM:SS is available in a 24-hour format. Press the "Right Arrow" key (screen 06) six times to view the input field for the system time. Press the "F4" function key to select the digit(s) you want to edit and then press the "F1" and "F5" keys to set the display forward or backward in one-step increments. The time format in "HH:MM:SS" is available in a 24-hour format. 28 Maschinenfabrik Reinhausen 2009

31 4.3 Regulating paramters This specific sub-group contains all parameters required for the regulating functions. These settings are required for basic voltage regulation, but are only valid if the previously described Normset feature is set to Off. Menu => PARAMETER Example of Parameter Adjustment Setting the reference voltage level 1 (bandcenter) The controller will try to maintain this set bus voltage. Menu => Parameter => Regulation param. => Reference voltage level 1 Setting range: V Setting the Absolute Bandwidth This is typically set for ON in North America. It will make the absolute voltage Bandwidth (V) setting valid and the Bandwidth (%) (not shown here) invalid. Maschinenfabrik Reinhausen

32 Menu => Parameter => Regulation parameter => Absolute Bandwidth ON: Absolute values OFF: Percentage values Setting the Bandwidth (V) This is one of two bandwidth options. If the Absolute Bandwidth is set to OFF, this setting is invalid. Menu => Parameter => Regulation parameter => Bandwidth (V) Setting range: V Setting the delay time T1 Menu => Parameter => Regulation parameter => T1 delay time Setting range: s 30 Maschinenfabrik Reinhausen 2009

33 The delay time starts as soon as the regulating deviation exceeds the set bandwidth limits above or below. After the time delay has passed the TAPCON 250 will issue a raise or lower command to correct the voltage. 4.4 Parallel operation settings (optional) Parallel operation without system topology (optionally with system topology) Parallel operation of 16 transformers max. without system topology recognition. In this context, parallel operation of all 16 transformers is possible either in a busbar arrangement or in two groups. Typically with TAPCON, parallel operation management is achieved digitally via the CAN bus, but an optional device, the XPA, is available for paralleling via an analog method, namely with competitor and older equipment. Activation of parallel operation is optionally achieved via a user-programmable input (GPI) or only via a setting in the menu. Maschinenfabrik Reinhausen

34 Parallel control is possible in different ways: Parallel operation according to the principle of "minimum circulating reactive current" Parallel operation according to the principle of "minimum circulating reactive current" with the help of an external Paralleling Assistant XPA (ANSI-Scheme) Parallel operation according to the principle of tap-change synchronism (Master- Follower) Parallel operation according to the principle of tap-change autosynchronism (Master- Follower selected automatically via addressing priority) Selection of the desired parallel operation principle is effected via a menu window. Disabling Use of Parallel Operation Menu => Configuration => Continue => Parallel control=> Parallel Control Enable Completely deactivate paralleling functionality if not possibly used by pressing F1 and F5 function keys. 32 Maschinenfabrik Reinhausen 2009

35 Setting options: Off = no parallel operation possible On = parallel operation is possible through selection of appropriate method (next section) and GPI activation if applicable. Setting of parallel operation method Menu => Configuration => Continue => Parallel control => Parallel operation method Set the desired parallel operation principle by pressing the F1 and F5 function keys. Setting options: Circulating reactive = parallel operation following the current principle of minimum circulating reactive current with CAN bus connected directly between controllers Master = Master/Follower principle: the controller assumes Master function Follower = Master/Follower principle: the controller assumes Follower function Maschinenfabrik Reinhausen

36 Synchr.Auto = Master/Follower principle: with this setting, the controller with lowest CAN address of all other controllers is automatically selected as Master. XPA = parallel operation with the TAPCON- XPA, external Paralleling Assistant, following the principle of minimum circulating reactive current with CT circuits connected between power trans formers (see XPA User Manual for detailed information). Parallel control according to the Master/Follower principle requires no further settings other than the setting of the delay time. In each case, the voltage controllers engaged in parallel operation have to be connected either via the CAN bus interface or the TAPCON XPA (for a typical connection of two or more TAPCON controllers see chapter 8.2). The deactivation of paralleling is only necessary when the corresponding bus tie breakers are opened. Therefore, main breaker status does not need to be considered when toggling between parallel and independent states. In all TTAPCON 250 methods, except with the XPA which uses the analog scheme, LDC settings are not affected by transformer load breaker states. 34 Maschinenfabrik Reinhausen 2009

37 Please bear in mind that the CAN bus must be connected with a resistor of 120 Ohms at both ends (at the first and last controller). The resistor is included in the scope of delivery. Minimum a shielded AWG 20 cable is recommended with maximum 50 Ohms/km or 80 Ohms/mile.In this configuration the CANbus can be operated over a distance of 2 km or 1.2 miles. A Belden 8770 cable or equivalent AWG 18 cable is typically recommended. If substation ground potential is a concern or if it is desired to transmit data between TAPCON 250s over a greater distance, a CANbus to fiber optic converter is available. Please contact Reinhausen Manufacturing for more details. CAN Address To permit controller communication via CAN bus, each individual controller needs a separate identifier. Menu => Configuration => Continue => Parallel control => CAN Address Assign a number as address to each controller by pressing the F1 or F5 function keys. Maschinenfabrik Reinhausen

38 The values assigned as CAN address may range between 1 and = no communication Parallel operation according to the principle of "Master/Follower" (synchronism control) The type of parallel operation can be set via the parameter "parallel operation" (see above). According to the settings made, one of the controllers is then elected as Master. This controller assumes the measuring tasks and adjusts the tap-changer for voltage compensation in the presence of deviations. Following a tap-change operation, the Master proceeds to compare the Followers' tap-changer positions with its own via CAN bus and, if a discrepancy is noted, likewise initiates readjustment of the Followers to an identical tap-changer position. If a difference of two or more tap-changer positions is noted, the message "Parallel operation failure" will be emitted and automatic regulation will be blocked unless this action is changed by the user in the Absent CAN bus behavior option. 36 Maschinenfabrik Reinhausen 2009

39 This method is suitable for transformers featuring identical electrical characteristics with available tap position information to the controller. Parallel operation according to the principle of "minimum circulating reactive current" The circulating reactive current is computed from the transformer currents and their respective phase angles. For correction of the measuring circuit voltage, a voltage proportional to the circulating reactive current is applied to self-sufficiently operating controllers. This correction voltage can be either decreased or increased through adjustment of the "stability" setting. If an inadmissibly high circulating reactive current is detected, all tap-changers involved will be reset after only 10 s, regardless of the delay time preset at the controller. Setting the interference variable (Stability) Menu => Configuration => Parallel control => Stability Maschinenfabrik Reinhausen

40 To set a stability value between 0 and 100, press the function keys F1, F4 and F5. The stability value is a measure used for determining the efficiency of the circulating reactive current on the voltage controller. If it is set to "0 %", no efficiency will be present. For a circulating reactive current equal to the rated current of the current transformer, a setting value of 10 % would effect a voltage correction of 10 % for the voltage controllers. Changing the stability value automatically changes the efficiency value in the help text. See section for more details. Setting the admissible circulating reactive current (blocking threshold) Menu => Configuration => Parallel control => Blocking Set the bandwidth from 0.5 to 40 % (in relation to the rated current of the current transformer) by pressing the function keys F1 and F5. If the circulating reactive current exceeds the preset threshold value during parallel operation, the error message "Parallel operation failure" will come on and all voltage controllers engaged in 38 Maschinenfabrik Reinhausen 2009

41 parallel operation will be blocked. Optionally, the user can program the user-programmable contact between P2-20 and P2-22 to close upon sensing of this event. The user assumes all risk if large circulating currents are allowed. Maschinenfabrik Reinhausen

42

43 4 Accessories For further information on: Analog Input/Output extension Communication Interface Card with RS232, RS485, Modem/Ethernet and fiber optic connection Adapter Panels please contact Reinhausen Manufacturing or Maschinenfabrik Reinhausen

44 IN THE MIDDLE OF THE ENTIRE CANBUS SHIELD! TC 250 I TC 250 II TC 250 III CAN-P1: 3 CAN-SHLD CAN-L CAN-GND CAN-H CAN-BUS CAN-P1: 2 CAN-P1: 1 CAN-P1: 4 CAN-P1: 3 CAN-SHLD CAN-L CAN-GND CAN-H CAN-BUS CAN-P1: 2 CAN-P1: 1 CAN-P1: 4 CAN-P1: 3 CAN-SHLD CAN-L CAN-GND CAN-H CAN-BUS CAN-P1: 2 CAN-P1: 1 CAN-P1: Ω 120 Ω ATTENTION!! PLEASE BEAR IN MIND THAT THE CAN BUS MUST BE CONNECTED WITH A RESISTOR OF 120 OHM AT BOTH ENDS (AT THE FIRST AND LAST REGULATOR). THE SHIELD SHOULD BE CONTINUOUS AND ONLY BE GROUNDED AT ONE LOCATION. IF MORE THAN TWO TAPCON 250S ARE PRESENT, IT IS RECOMMENDED THAT THIS GROUND BE SOME- WHERE IN THE MIDDLE OF THE ENTIRE CANBUS. Figure 5 Connection diagramm 42 Maschinenfabrik Reinhausen 2009

45

46 Reinhausen Manufacturing Inc. Phone: (+1)731/ North 9th Avenue Fax: (+1)731/ Humboldt, Tennessee 38343, USA 289/02 EN 1009 F