Summary of Contents for UIM UIM-90
- Page 1 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) OIL TESTER UIM-90 USER MANUAL...
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Page 2: Table Of Contents
UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) Contents 1 Description and operation ..............4 1.1 Purpose of the product ..............4 1.2 Technical specifications..............5 1.3 Design and operating ..............6 1.4 Marking ..................10 1.5 Packing ..................10 2 Safety requirements ................. -
Page 3: Description And Operation
UIM-90 (221/ВР) The purpose of the User Manual provides the information on the proper op- eration of the transformer oil breakdown voltage tester "UIM-90" (hereinafter − Oil tester) and is the main source of operating instructions. The User Manual contains information on the purpose, contents, technical specification, design and operating principle of the Oil tester and its units as well as its tools, marking, sealing and packaging. -
Page 4: Technical Specifications
UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) 1.2 Technical specifications 1.2.1 The main technical characteristics of the Oil tester: Type Value 1 Range of testing voltage (rms value), kV from 10 to 90 2 Relative voltage measurement error, % ... -
Page 5: Design And Operating
UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) 1.3 Design and operating General view of the Oil tester – test compartment lid – cell – decorative caps – high-voltage terminals – Control panel of the Oil tester – built-in thermal printer –... - Page 6 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) General view of the Oil tester Control panel Remote control Rear panel...
- Page 7 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) 1.3.1 Contents of the Oil tester: Models the UIM-90 Name 221/В 221/Р 221/ВР High-voltage stand ● Power supply cable ● Grounding wire ● Cell ● Partially spherical electrodes ● Activating rod ●...
- Page 8 At the bottom of the test compartment under the cell is installed a stirring device for stirring of liquid dielectrics with the activating rod Models UIM-90 (221/P) and UIM-90 (221/BP) have an built-in thermal printer To the left of test compartment there is a Control panel the Oil tester 1.3.3 A Remote control is used to perform work on verification of the Oil tester (primary or periodic).
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Page 9: Marking
UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) 1.4 Marking 1.4.1 The Oil tester has following markings: – model name; – serial number; – manufacturing date. 1.4.2 The plate with markings located on the Rear panel of the Oil tester. -
Page 10: Safety Requirements
UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) 2 Safety requirements 2.1 General requirements 2.1.1 Workplace of service personnel must comply with the fire safety requirements. 2.1.2 The insulation resistance of power circuits, with respect to the case of the Oil tester must not be less than 2 MOhm. - Page 11 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) d) check the position of power switch . It must be in "О" position; e) connect the clamp to a protective grounding using grounding wire. OPERATING WITHOUT GROUNDING IS PROHIBITED! f) connect the power supply cable to a socket 220 V on the Rear panel of the Oil tester (in case of mains operation).
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Page 12: Operating Procedure
UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) Operating procedure 4.1 Dielectric sample preparation When preparing a liquid dielectric sample for testing, it is necessary to: a) fill one jar from the container for storage sample of liquid dielectric; b) the cell should be prepared according to section 3.2, steps (a) and (b), after long storage, when the type of liquid dielectric to be tested is changed or after testing of a highly contaminated liquid dielectric;... - Page 13 - for models UIM-90 (221/В); UIM-90 (221/ВР) - for models UIM-90 (221/P); UIM-90 (221/ВР) - icon of built-in thermal printer, displayed on models UIM-90 (221/P); UIM-90 (221/BP) - icon to connect the Oil tester to the network when the built-in battery is available...
- Page 14 (if the parameter "Printing" is set to ON), and the LCD display will show: The report includes: – model of the Oil tester; – serial number; – report number; – test date and time; - for models UIM-90 (221/В); UIM-90 (221/ВР)
- Page 15 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) – operating mode; – sample number; – type and temperature of the liquid dielectric (in the test cell); – type of electrodes used; – automatic stirring (ON/OFF); – the result of the test (the value of each individual breakdown in kilo- ...
- Page 16 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) Open the test compartment lid, remove the cell and replace the sample of liquid dielectric, taken from the same container as the previous sample, set the cell, close the lid and press the button .
- Page 17 5 – mean breakdown value Ubrk. 6 – standard error value 7 – coefficient of variation V; 8 – values of breakdown voltages U[1] – U[6] respectively; 9 – printing test results - for models UIM-90 (221/P); UIM-90 (221/ВР)
- Page 18 If the tests are complete, close the test compartment lid. Set power switch in position "О", green LED indicator will turn off. Unplug power supply cable from the network socket (in case of mains operation). - for models UIM-90 (221/P); UIM-90 (221/ВР)
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Page 19: Testing In Accordance With The Custom Settings
UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) 4.3 Testing in accordance with the custom settings To perform the test according to the custom settings it is necessary to: a) repeat steps (b) and (c) of paragraph 4.2; b) set required parameters: –... - Page 20 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) To save the settings, simultaneously press and hold pressed (till the sound beep) buttons , a message will appear on the LSD display: – press and release button – if "YES" or button –...
- Page 21 If the tests are complete, close the test compartment lid. Set power switch in position "О", green LED indicator will turn off. Unplug power supply cable from the network socket (in case of mains operation). - for models UIM-90 (221/P); UIM-90 (221/ВР)
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Page 22: Additional Settings
Bluetooth ON/OFF – operating the Oil tester by PC use software User Manual "VirtualUIM" Printing ON/OFF – SPHER./ Type of electrodes – PART. SPHER. - for models UIM-90 (221/В); UIM-90 (221/ВР) - for models UIM-90 (221/P); UIM-90 (221/ВР) - Page 23 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) Range of Information displayed on Leap Parameter values the LCD display Time/Minutes 00 – 59 Time/Hours 00 – 23 Date/Day 01 – 31 Date/Month 01 – 12 Date/Year 20ХХ To save the settings simultaneously press and hold pressed (till the sound...
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Page 24: Processing Of Test Results
UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) 4.5 Processing of test results After the test, if the parameter "Number of break. N =" is set greater than one, the following values are calculated: – mean breakdown value, Ubrk.; ... -
Page 25: Maintenance
UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) 5 Maintenance 5.1 With the manufacturing, during the operation and after the repair, Oil tester is subject to verification. Verification of Oil tester is performed at least once a year (see paragraph 7). -
Page 26: Troubleshooting
Oil tester, connect it to the mains and set the power switch in position "I" 6.2 Other malfunctions can be eliminated only by the manufacturer. - for models UIM-90 (221/В); UIM-90 (221/ВР) - for models UIM-90 (221/P); UIM-90 (221/ВР) -
Page 27: Verification
UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) 7 Verification 7.1 Performing verification During verification following actions must be performed: Verification Name Paragraph Unscheduled Scheduled Verification Verification 1 Visual inspection 7.6.1 2 Testing 7.6.2 3 Checking the insulation resistance of 7.6.3... - Page 28 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) 7.3 Safety requirements during verification Verification of Oil tester is only allowed to persons who studied the techni- cal documentation for the Oil tester, User Manuals for measuring instruments and who passed an appropriate test of knowledge of safety rules.
- Page 29 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) 7.6.2 Testing 7.6.2.1 During the testing of the Oil tester it is necessary to: a) verify the position of the power switch , it must be in the "О" position; b) connect the clamp to a protective grounding using grounding wire.
- Page 30 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) 7.6.2.2 The test results are considered positive, and the Oil tester is allowed for further operation, if: a) no failure of the Oil tester was observed; b) all LED indicators were "ON" and "OFF";...
- Page 31 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) 7.6.4 Checking the relative voltage measurement error 7.6.4.1 To check the relative voltage measurement error it is necessary to: a) set the Oil tester on a test field over the guard to prevent accidental touch or approach the dangerous distance of personnel to high voltage terminals.
- Page 32 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) f) attach a high-voltage terminal of the kilovoltmeter C100 to one of the electrodes in the cell by means of a segment of high-voltage cable with insula- tion, rated at no less than 70 kV, or a metal pipe with an outside diameter cross section of no less than 25 mm.
- Page 33 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) n) summarize the values on the kilovoltmeter C100 when measuring the voltages on two electrodes in the cell and compare with the LCD display readings according to step (k). Determine the reduced measurement error of the test voltage of the Oil tester at a certain numerical mark;...
- Page 34 UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) 7.7 Registration of verification results 7.7.1 Test report is the result of verification. It includes: – basic data about the Oil tester; – the composition of the Commission (committee); – the date of verification;...
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Page 35: Transportation And Storage
UIM-90 (221) UIM-90 (221/В) UIM-90 (221/Р) UIM-90 (221/ВР) Transportation and storage 8.1 Transport of the Oil tester 8.1.1 The Oil tester may be transported only: – in the transportation crate; – by land and water transport in which the conditions of transport in terms of exposure to climatic conditions correspond to the class C2 (IEC 870-2-2:1996).