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Download Automatic Voltage Regulator ECW500
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Motors | Automation | Energy | Transmission & Distribution | Coatings ECW500 Automatic Voltage Regulator www.weg.net ECW500 - Automatic Voltage Regulator The ECW500 voltage regulator is a high-performance product designed to drive synchronous machines with brushless excitation for variation and control of their rated voltage, exciting current, reactive power or power factor. Characteristics JJ HMI with 2.5” LCD which shows different kinds of information simultaneously JJ Five control modes: JJ MTVC - Voltage control mode JJ MECC - Current control mode JJ MTVC_DROOP - Voltage control mode with reactive droop JJ MPFC - Power factor control mode JJ MRPC - Reactive power control mode JJ Start ramp for the MTVC and MECC modes JJ Option of positive and negative excitation JJ Protection against power module overtemperature JJ LUF Limiter of U/F or Volts/Hertz operating on the MTVC and MTVC_DROOP modes JJ Other three limiters operating in all control modes (except for MECC): JJ LEOC - Limiter of exciting overcurrent JJ LEUC - Limiter of exciting undercurrent by PxQ curve JJ LTOC - Limiter of terminal overcurrent JJ Settings of PID stability for MTVC / MTVC_ DROOP modes, and PI for other modes Inputs and Outputs JJ 2 relays with fixed functions (ECW500 ON and general faults) JJ 4 configurable relay outputs for the following events: JJ Protection against exciting overvoltage (PEOV) JJ Protection against terminal overvoltage (PTOV) JJ Protection against terminal undervoltage (PTUV) JJ Protection against underfrequency (PUF) JJ Protection against exciting overcurrent (PEOC) JJ Limiter of under excitation (LEUC) JJ Operating on the MECC mode JJ Protection against feedback loss (PFL) JJ Protection of rotating diode (PED) JJ Limiter of exciting overcurrent (LEOC) JJ Limiter of terminal overcurrent (LTOC) JJ Limiter of underfrequency (LUF) JJ An analog input +/-10 V dc or 4 to 20 mA to actuate on the reference of all operating modes with adjustable gain JJ Digital inputs compatible with PLC and with the following functions: JJ Start JJ Stop JJ Automatic mode (MTVC) JJ Manual mode (MECC) JJ Enable parallel operation JJ Disable parallel operation JJ Enable online operation JJ Disable online operation JJ Increment reference JJ Decrement reference JJ Reset alarms 2 ECW500 - Automatic Voltage Regulator JJ JJ JJ JJ Protections that can stop the equipment or switch to the MECC mode according to the configuration: JJ Protection against underfrequency JJ PFL - Protection against feedback loss JJ PED - Protection of the rotating diodes JJ Power Module - Protection against overtemperature on the power module JJ PEOC - Protection against exciting overcurrent Protections that can be signaled on the digital relay outputs JJ PTOV - Protection against terminal overvoltage JJ PTUV - Protection against terminal undervoltage JJ PEL - Protection against excitation loss JJ PEOV - Protection against exciting overvoltage Log of up to 128 events, warnings and errors, including date and time of the event An analog input ±10 V dc or 4 to 20 mA to actuate on the reference of all operating modes with adjustable gain Start digital input Stop digital input Enable parallel operation digital input Disable parallel operation digital input Enable online operation digital input Disable online operation digital input INC DEC RST Increment active reference digital input Decrement active reference digital input Alarm reset digital input Measurements JJ Three-phase voltage of the synchronous machine JJ Current of the synchronous machine JJ Exciting current JJ DC link voltage JJ Power supply voltage JJ Exciting voltage JJ Power module temperature www.weg.net Soft-Starter The ECW500 has a soft-start function for the MTVC and MECC operating modes, which are the offline modes. This function gradually increases the reference of the operating mode up to the end value set. With the available parameters, it is possible to set the start level of the ramp (in terms of percentage of the end value) and the time it will take the reference to reach the end value. Special Functions JJ Self-calibration of the measurement of the exciting current JJ Self-calibration of the analog inputs JJ Generation of events, warnings and errors JJ Loading of the parameters with the factory settings Operating Interface HMI with graphic display and navigation menu JJ Start/Stop and Alarm Reset keys (which can be enabled or disabled) JJ Password for data protection JJ Option of remote HMI on panel door JJ Technical Specifications Power Data Alternate voltage Power supply Continuous voltage² Absorbed power Current Output Voltage Load impedance Dissipated power Temperature Environmental conditions Frame Air relative humidity Altitude Pollution degree Degree of protection Maximum of 242 V ac three-phase or single-phase, between lines Recommended: 1.73 x VExc_Nominal (rated exciting current)1 Frequency of 30 Hz to 500 Hz Up to 325 V dc For three-phase power supply, it is necessary 1.63 x output power For single-phase power supply, it is necessary 1.94 x output power Rated of 20 A @ 110 V dc Maximum of 30 A @ 210 V dc, for 1 minute Measurement range: from 0.5 A to 35 A Maximum measurement error: ±5% Maximum of 1.35 x VL (line voltage), for three-phase power supply Maximum of 0.90 x VL (line voltage), for single-phase power supply Switching frequency of 2 kHz Minimum resistance of 7 Ohms Maximum of 2,200 W Operation: -40 °C to 50 °C (-40 to 122 F) Storage: -40 °C to 85 °C (-40 to 185 F) 10 to 90% non-condensing 0 to 1,000 m: rated conditions 1,000 to 4,000 m: current derating of 1% for each 100 m above 1,000 m Degree 2, according to EN 50178 and UL 508C IP20 Electronics / General Data Power supply Control Supply³ Consumption Regulators Performance Analog Digital Inputs Voltage feedback Current feedback Outputs Digital (relay) Safety Protections Interfaces HMI USB RS485 / 422 85 to 242 V ac, single-phase, 50/60 Hz or 110 to 325 V dc Maximum 72 VA (alternate voltage) or 43 W (direct voltage) Execution rate of 4 ms Regulation of ±0.25% on the MTVC mode, with the recommended exciting voltage Stability of ±0.1% on the MTVC mode, with constant load 2 isolated differential inputs, impedance of 200 kΩ (voltage) or 249 Ω (current), for reference of the operating modes -10 V to +10 V, resolution of 11 bits + signal and 4 to 20 mA, resolution of 12 bits, with identification of broken wire for current <4 mA 11 isolated digital inputs, 24 V dc, without polarity, fixed functions Maximum power for each high level input: 420 mW Rated value: 115 V ac between lines, single-phase (A-C) or three-phase (A-B-C) Maximum measurements: 161 V ac between lines Maximum measurement error: ±1.0% Absorbed power: 1 VA Frequency measurement: from 10 Hz to 150 Hz Rated value: 1 A or 5 A, 50/60 Hz, on separate terminals Maximum measurements: 1.2 A (for the terminal of 1 A) and 6 A (for the terminal of 5 A) Maximum measurement error: ±2.5% Absorbed power: 1 VA 6 relays with NO/NC contacts, 250 V ac, 8 A, fixed functions (2 relays) and programmable functions (4 relays) Maximum opening capacity: 35 V dc: 8 A, 48 V dc: 1.2 A, 125 V dc: 0.3 A Maximum switching frequency: 400 V ac Undervoltage and overvoltage on the machine, with adjustable actuation levels Phase loss on the power Underfrequency on the machine Overvoltage on the excitation (adjustable) Overvoltage on the DC Link Overtemperature on the power (adjustable) Overcurrent on the excitation (adjustable) Excitation loss Feedback loss (adjustable) Fault detection on the rotating diodes Fault detection on the CPU It enables to access/change all the parameters. Indication of alarms, faults and events Possibility of external mount via serial cable up to 10 m Only to update firmware Full/Half Duplex, 9,600 bps to 115,200 bps, 8 bits, Modbus-RTU Notes: 1) For VExc_Nom=32 V dc, the recommended supply voltage would be 55 V ac. Supply voltages much higher than those values may worsen the dynamic response. 2) The auxiliary DC input for power supply allows a machine without enough remanent voltage to be controlled when the supply comes from the machine terminals. The source must be galvanically isolated from the power supply. 3) The supplies of the electronics are redundant and require an isolation transformer on the AC input if they have the same source. ECW500 - Automatic Voltage Regulator 3 WEG Worldwide Operations ARGENTINA San Francisco - Cordoba Phone: +54 3564 421484 [email protected] COLOMBIA San Cayetano - Bogota Phone: +57 1 4160166 [email protected] JAPAN Yokohama - Kanagawa Phone: +81 45 5503030 [email protected] SPAIN Coslada - Madrid Phone: +34 91 6553008 [email protected] Cordoba - Cordoba Phone: +54 351 4641366 [email protected] ECUADOR El Batan - Quito Phone: +593 2 5144339 [email protected] MALAYSIA Shah Alam - Selangor Phone: +60 3 78591626 [email protected] SINGAPORE Singapore Phone: +65 68589081 [email protected] FRANCE Saint-Quentin-Fallavier - Isère Phone: +33 4 74991135 [email protected] MEXICO Huehuetoca - Mexico Phone: +52 55 53214275 [email protected] Singapore Phone: +65 68622220 [email protected] GERMANY Türnich - Kerpen Phone: +49 2237 92910 [email protected] Tizayuca - Hidalgo Phone: +52 77 97963790 AUSTRALIA Scoresby - Victoria Phone: +61 3 97654600 [email protected] AUSTRIA Markt Piesting - Wiener Neustadt-Land Phone: +43 2633 4040 [email protected] BELGIUM Nivelles - Belgium Phone: +32 67 888420 [email protected] Balingen - Baden-Württemberg Phone: +49 7433 90410 [email protected] NETHERLANDS Oldenzaal - Overijssel Phone: +31 541 571080 [email protected] PERU Homberg (Efze) - Hesse La Victoria - Lima Phone: +49 5681 99520 Phone:+51 1 2097600 [email protected] [email protected] GHANA BRAZIL Accra Jaraguá do Sul - Santa Catarina Phone: +233 30 2766490 Phone: +55 47 32764000 [email protected] [email protected] INDIA CHILE Bangalore - Karnataka La Reina - Santiago Phone: +91 80 41282007 Phone: +56 2 27848900 [email protected] [email protected] Hosur - Tamil Nadu CHINA Phone: +91 4344 301577 Nantong - Jiangsu [email protected] Phone: +86 513 85989333 [email protected] ITALY Cinisello Balsamo - Milano Changzhou – Jiangsu Phone: +39 2 61293535 Phone: +86 519 88067692 [email protected] [email protected] PORTUGAL Maia - Porto Phone: +351 22 9477700 [email protected] RUSSIA and CIS Saint Petersburg Phone: +7 812 363 2172 [email protected] SOUTH AFRICA Johannesburg Phone: +27 11 7236000 [email protected] For those countries where there is not a WEG own operation, find our local distributor at www.weg.net. WEG Group - Automation Business Unit Jaraguá do Sul - SC - Brazil Phone: +55 47 3276 4000 [email protected] www.weg.net SCANDINAVIA Mölnlycke - Sweden Phone: +46 31 888000 [email protected] UK Redditch - Worcestershire Phone: +44 1527 513800 [email protected] UNITED ARAB EMIRATES Jebel Ali - Dubai Phone: +971 4 8130800 [email protected] USA Duluth - Georgia Phone: +1 678 2492000 [email protected] Minneapolis - Minnesota Phone: +1 612 3788000 VENEZUELA Valencia - Carabobo Phone: +58 241 8210582 [email protected] Cod: 50060078 | Rev: 00 | Date (m/y): 02/2016 The values shown are subject to change without prior notice. Buenos Aires Phone: +54 11 42998000 [email protected]