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Instruction Manual AVTM550503
Transformer Turn Ratio Test Set
Read the entire manual before operating.
Antes de operar este producto lea este manual enteramente.
for
Three-Phase TTR
Catalog No. 550503
High-Voltage Equipment
Aparato de Alto Voltaje
M
Valley Forge Corporate Center
2621 Van Buren Avenue
Norristown, PA 19403 U.S.A.
610-676-8500
www.megger.com
AVTM550503
Rev E
March 2005
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Summary of Contents for Megger TTR 550503
- Page 1 Transformer Turn Ratio Test Set Catalog No. 550503 High-Voltage Equipment Read the entire manual before operating. Aparato de Alto Voltaje Antes de operar este producto lea este manual enteramente. Valley Forge Corporate Center 2621 Van Buren Avenue Norristown, PA 19403 U.S.A. 610-676-8500 www.megger.com...
- Page 3 Three-Phase TTR Transformer Turn Ratio Test Set Instruction Manual...
- Page 4 If the product or its individual instrument are used for purposes other than those specified herein, confirmation of their validity and suitability must be obtained from Megger. Refer to the warranty information included at the end of this instruction manual. Specifications are subject to change without notice.
- Page 5 TABLE OF CONTENTS ................................. 1 NTRODUCTION Receiving Instructions............................1 General Information............................1 ....................................3 AFETY ................................7 PECIFICATIONS Electrical................................7 Environmental Conditions..........................9 Physical Data..............................10 Accessories Supplied ............................10 Optional Accessories............................11 ................................... 13 ESCRIPTION Principle of Operation ............................ 13 TTR Operational Flow Chart........................
- Page 6 Remote Control Operation for LTC Testing....................86 Use with the Optional Printer........................87 Use with the Optional Inverter........................88 COML ..................................91 Introduction...............................91 Installation & Upgrade Instructions ......................92 Three Phase TTR COMLink Operations....................101 COMLink Simulation Mode of Operation....................125 Three Phase TTR Remote Control Operations..................127 ...................................169 ERVICE Maintenance..............................169...
- Page 7 LIST OF ILLUSTRATIONS Figure 4-1. Three-Phase TTR Test Set Block Diagram................. 14 Figure 4-2. Quick Test flow chart........................15 Figure 4-3. Full Test Setup with Recall Custom Settings ................16 Figure 4-4. System Setup Menu........................... 17 Figure 4-5. Saved Data Menu with Print Header .................... 18 Figure 4-6.
- Page 8 Figure 6-13. Language Screen..........................82 Figure 6-14. SAVED DATA Screen........................83 Figure 6-15. Recall (or Save) Custom Settings Screen..................84 Figure 6-16a. Sample Test Report Header.......................87 Figure 6-16b. Sample Single Phase Test Report.....................87 Figure 6-16c. Sample Three Phase Test Report.....................88 LIST OF TABLES Table 5-1.
- Page 9 Customer Remedies – Megger and its suppliers’ entire liability and your exclusive remedy shall be, at Megger option, either (a) return of the price paid, or (b) repair or replacement of the SOFTWARE that does not meet this Limited Warranty and which is returned to Megger with proof of purchase.
- Page 10 Megger has been advised of the possibility of such damages. In any case, Megger and its suppliers’ entire liability under any provision of this agreement shall be limited to the amount actually paid by you for the SOFTWARE.
- Page 11 2621 Van Buren Avenue Norristown, PA 19403 U.S.A. IMPORTANT! Megger periodically provides updates of software. See our web site www.megger.com to obtain these download updates. SEE ALL OF OUR PRODUCTS, APPLICATION NOTES, FAQ’s BY PRODUCT, AND LOCAL REP INFORMATION ON THE WEB AT: www.megger.com...
- Page 12 MANUAL CONVENTIONS This manual uses the following conventions: Bold indicates emphasis or a heading. Arial Bold denotes the use of a screen button (i.e. click the TTR button). Ctrl+Enter indicates that to perform the function, press both keys simultaneously (i.e. Ctrl+Enter indicates that you hold-down the Control (Ctrl) key while simultaneously striking the Enter key).
- Page 13 Notify Megger of any shortage. Telephone 610-676-8500. Examine the instrument for damage received in transit. If any damage is discovered, file a claim with the carrier at once and notify Megger or its nearest authorized sales representative, giving a detailed description of the damage.
- Page 14 Features include: Fully automatic operation. Self-checking at power-up. Self-calibration at each measurement. User-friendly, menu-driven operation. Test turn ratio, phase shift (in both degree and centiradian), and excitation current. Easy measuring of regular windings, tertiary windings, and CTs. Storage capacity for up to 200 tests for retrieving, printing out, or uploading to a PC. Saving up to 9 custom transformer settings for faster and easier testing.
- Page 15 Safety The test set and the specimen to which it is connected are a possible source of high-voltage electrical energy and all persons making or assisting in tests must use all practical safety precautions to prevent contact with energized parts of the test equipment and related circuits.
- Page 16 Before replacing the fuses, disconnect the power input plug from the live power source Megger has made formal safety reviews of the initial design and any subsequent changes. This procedure is followed for all new products and covers areas in addition to those included in applicable standards.
- Page 17 As a routine safety procedure, however, some users require that rubber gloves be worn, not only when making connections to the high-voltage terminals, but also when manipulating the controls. Megger considers this an excellent safety practice.
- Page 18 AVTM550503 Rev E March 2005...
- Page 19 Specifications Electrical Input Power 120 V ac ±10%, single phase, 50 ±2 Hz or 60 ±2 Hz, 100 VA Cat. No. 550503: IEC 1010-1 installation category II 230 V ac ±10%, single phase, 50 ±2 Hz or 60 ±2 Hz, 100 VA Cat.
- Page 20 Output Test Voltage and Current 3 test voltages: 80 V rms, 40 V rms, 8 V rms. Current: up to 500 mA Test Frequency Same as line frequency. Loading of Test Transformer Less than 0.2 VA Measuring Ranges Turn ratio: 80 V ac: 0.8 to 45,000, 5 digit resolution 40 V ac: 0.8 to 25,000, 5 digit resolution 8V ac: 0.8 to 8,000, 5 digit resolution...
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