Capabilities of the Doble Materials Laboratories

Transcription

1 Capabilities of the Doble Materials Laboratories Introduction The Doble Engineering Company has been providing laboratory services to the electric power industry since the 1930 s. We have continually evolved while maintaining our dedication to providing quality results, diagnostics and services. The electric power industry continues to support the Doble Laboratory as we provide information and services they can rely on and can support their needs with a full engineering staff and diagnostic team. More than two hundred different analytical tests and variations are offered on a routine basis encompassing both solid and liquid insulation. In addition, the Doble high voltage laboratory provides testing at frequencies and voltages that a regular laboratory cannot. This laboratory is also used for failure and forensic analysis as well. Here are some of the distinguishing features of the Doble Laboratory. Quality To perform good diagnostics on electric apparatus requires good quality data. Doble takes great effort to make sure the data you receive is accurate and precise. Doble Engineering Company, including the laboratory, is ISO 9001: 2008 certified. External audits are conducted on a biannual basis. A copy of our certification is available upon request. We have standard practices to ensure a high quality in our performance. Our Standard Operating Procedures are list in the table given below and can be viewed at any time. SOP # Rev Initial Date Title OIL-01 D 01/01/99 Overview for Sample Processing OIL-02 I 04/23/03 Sample Log In OIL-03 G 02/04/02 Standard Lab Tests OIL-04 H 04/18/03 DGA & Related Tests OIL-05 E 04/18/03 Contract Review OIL-06 C 02/04/02 Ordering & Receiving Supplies OIL-07 E 02/22/01 Sample Assignment OIL-08 C 10/17/95 Waste Disposal OIL-09 D 01/22/01 Syringe Shipment OIL-10 F 04/18/03 Annual Survey OIL-11 B 04/18/03 SubContractors OIL-12 I 04/18/03 Quality Review OIL-13 C 02/04/02 Training OIL-14 B 08/09/02 Order Processing Remote Locations Besides the expected practice, such as traceability to national standards, periodic calibrations, QC charts, etc. Doble participates in standards organisations such as ASTM, IEC and IEEE keeping up to date, helping develop test methods and participating in round robin events. Doble also makes its own dissolved gas-in-oil standards and other standards (such as those for furanic compounds in oil) for our internal QC program. Doble takes pride in the quality of its data and is willing to back it up by participating in round robin programs with known standard samples.

2 Timely Reports Together We Power The World SM Doble has added considerably to its capacity in recent years to make sure we can continue to meet our obligation for quick turn-around times. We have facilities in three locations, Morrisville, North Carolina; Indianapolis, Indiana; and in Watertown, Massachusetts. In the past few years we have added automation, more work staff, and equipment to handle more than 40,000 additional DGA tests per year. For rush samples or samples which were submitted as routine but the results indicate a serious problem we contact the customer as soon as possible by agreed means. Laboratory Integration The Doble laboratories are integrated on a real-time basis through a common, wide area network. This means that the reports from all Doble facilities are identical and the historic information is shared. All three laboratories follow the same QC practices and participate in inter-laboratory round robins to make sure there is no distinction in the data regardless of where the testing is performed. All of our facilities use state of the art equipment with modern computer controls which facilitates good quality. Electronic Reports Doble has made considerable efforts to help utilities convert to electronic systems. All of our reports are provided in electronic formats and the results can be easily imported to Delta-X TOA program via a csv file sent electronically in addition to our standard report in Microsoft Excel. This eliminates all need for paper reports and provides a means for rapidly providing information to all recipients. Doble has authority to sell copies of the TOA software if you are interested. In addition, for those users of Doble s power factor test equipment and have access to the Doble DTA Web system, the results from our reports are automatically uploaded to the data file and available at any time. Research Activities The Doble laboratory is set up for research activities as can be seen by the various articles we have published over the years. Doble has been testing new oils in the world market since the 1950 s under the auspices of the Doble Oil Committee and many of our clients subscribe to this service. The Oil Committee not only supplies the unique and very valuable service of providing the specification tests on oils available in North America and around the world, we also perform critical research such as stray gassing behavior of new oils at moderate temperatures and corrosive sulfur issues. Doble has the staffing and equipment to perform advanced diagnostics for problems that are identified by routine testing. Doble is your full partner in helping determine the condition of your apparatus and the cause of detected problems. Customer Satisfaction Doble is committed to satisfying our customers. As part of this we have set goals for customer satisfaction as part of our quality policy. We send out an annual survey to all our customers to assess how well we are meeting their expectations and strive for continual improvement. Doble understands the importance of the work we do for you and want to help you make the critical decisions on the reliable operation of your electrical system. Doble expects that the best means for meeting performance expectations is to have a strong working relationship with each customer. We have always worked closely with our clients and have found this provides the mutual understanding and respect required for excellent service.

3 Health, Safety and the Environmental Doble complies with all local, state, and federal regulations concerning health, safety and the environment. We perform annual training and provide appropriate equipment to protect all employees and the public health. We are certified by the Commonwealth of Massachusetts for PCB analysis and are inspected on a regular basis. Laboratory Seminars Doble offers laboratory diagnostic seminars which discuss how to interpret the data from all of the tests in your program. You would be quite surprised how much there is to learn even about a subject which appears to be simple such as the moisture content in oil. Value Added Services Doble provides consulting engineering services to the electric power industry and is therefore well aware of the need for timely, quality data to make important decisions. We also can quickly identify those test results which require immediate attention by engineering staff. We have the experience to identify apparatus leak check gases such as helium which some laboratories confuse with hydrogen. With the testing of load tap changers and breakers commonly employed today, we know what measures to take to avoid cross contamination of samples with high concentrations of acetylene with those without any traces of acetylene. When a nuclear power station is waiting for results we understand the costs of being down and the importance to do everything possible to make sure the turn-around time is a fast as possible, not just good enough to meet requirements. We strive for continuous improvement and are in constant contact with our customers to make sure we are providing the service they need to effectively run their business. Doble has been instrumental in helping standardise test methods through participation in ASTM D-27 and as technical advisor to the US National Committee for IEC TC 10, the technical committees involved with electrical insulating fluids. We have help developed the diagnostics for furanic compounds in oil, dissolved gases in oils for transformers, including load tap changers and bulk oil circuit breakers and specialized tests for corrosive sulfur issues. We continue to develop applications for oil tests as they provide one of the best means for assessing the condition of electric apparatus while they remain in service. This allows utilities to manage risk to their assets to obtain maximum utilization. Let us know if you need any further information about our services. We look forward to working with you in the future. Remember that we are global partner and can perform most testing from not only Doble TOPS specifications, but also the ASTM, IEC, Canadian, Australian, British and many other countries or manufacturers specifications. The Doble Materials Laboratories offer a variety of screen package tests to suit our customer needs. We also provide customer-specific test packages to fulfill your requirements. Below is a listing and description of the most common ones we employ. They are listed by fluid type. After that you will find an extensive list of the testing that we perform not only on dielectric liquids but solids as well. Please be aware that we perform many tests that are not identified here but please be sure to call us if you have special requirements. If we cannot perform it, we may have a laboratory partner that does.

4 Chlorinated Fluid Screen (Askarels, Wecosol, tri- and tetra-chlorobenzenes, perchloroethylene) Screen, Chlorinated Fluid Test Method Water/RS D 1533 Neut. No. D 974 Furanic Compounds D 5837 Silicones Screen, 5-Part Silicone Screen, 6-Part Silicone Screen, 7-Part Silicone Color/Visual D 2129, D 1524 Color/Visual D 2129, D 1524 Color/Visual D 2129, D 1524 Water/RS D 1533 Water/RS D 1533 Water/RS D 1533 Dielectric D 877 or D 1816 Dielectric D 877 or D 1816 Dielectric D 877 or D 1816 Neut. No. D 974 Neut. No. D 974 Neut. No. D 974 Spec. Gravity D 1298 Spec. Gravity D 1298 Spec. Gravity D 1298 Power Factor, 25 C D 924 Power Factor, 25 C D 924 Power Factor, 100 C D 924 Natural Esters Screen, 8-Part Natural Ester Test Method Color/Visual D 1500, D 1524 Water/RS D 1533 Dielectric D 877 or D 1816 or D 1816 (2mm gap) IFT D 971 Neut. No. D 974 Spec. Gravity D 1298 Viscosity, 40 C D 445 Power Factor, 25 C D 924 Transformer Mineral Oil and High Molecular Weight Hydrocarbons Screen, Mini Screen, 4-Part/D 1816/PF at 25 C Screen, 4-Part/D 1816/PF at 100 C Water/RS D 1533 Water/RS D 1533 Water/RS D 1533 IFT D 971 IFT D 971 IFT D 971 Inhibitor D 2668 Dielectric D 1816 Dielectric D 1816 Neut. No. D 974 Pow. Factor, 25 C D 924 Pow. Factor, 100 C D 924 Screen, Mini with PCB Screen, 5-Part/D 1816 Screen, 5-Part/D 877 Water/RS D 1533 Color/Visual D 1500, D 1524 Color/Visual D 1500, D 1524 IFT D 971 Water/RS D 1533 Water/RS D 1533 Inhibitor D 2668 Dielectric D 1816 Dielectric D 877 Neut. No. D 974 Neut. No. D 974 Neut. No. D 974 PCB D 4059 Spec. Gravity D 1298 Spec. Gravity D 1298

5 Screen, 6-Part/D 877 Screen, 6-Part/D 1816 Test Method Test Method Color/Visual D 1500, D 1524 Color/Visual D 1500, D 1524 Water/RS D 1533 Water/RS D 1533 Dielectric D 877 Dielectric D 1816 IFT D 971 IFT D 971 Neut. No. D 974 Neut. No. D 974 Spec. Gravity D 1298 Spec. Gravity D 1298 Screen, 7-Part/D 877 Screen, 7-Part/D 1816 Screen, 8-Part/D 1816 Color/Visual D 1500, D 1524 Color/Visual D 1500, D 1524 Color/Visual D 1500, D 1524 Water/RS D 1533 Water/RS D 1533 Water/RS D 1533 Dielectric D 877 Dielectric D 1816 Dielectric D 1816 IFT D 971 IFT D 971 IFT D 971 Neut. No. D 974 Neut. No. D 974 Neut. No. D 974 Spec. Gravity D 1298 Spec. Gravity D 1298 Spec. Gravity D 1298 Pow. Factor, 25 C D 924 Pow. Factor, 25 C D 924 Pow. Factor, 25 C D 924 Inhibitor or PF, 100 C D 2668 or D 924 Screen, IEC Test Method Color ISO 2049, ASTM D 1500 Appearance IEC Water/RS IEC Dielectric IEC IFT ISO 6295, ASTM D 971 Acidity IEC Dissipation Factor, 90 C IEC Screen, Comprehensive Screen, Expanded Comprehensive Screen, Doble Condition Assessment Color/Visual D 1500, D 1524 Color/Visual D 1500, D 1524 Color/Visual D 1500, D 1524 Water/RS D 1533 Water/RS D 1533 Water/RS D 1533 Dielectric D 877 Dielectric D 877 Dielectric D 877 Dielectric D 1816 Dielectric D 1816 Dielectric D 1816 IFT D 971 IFT D 971 IFT D 971 Neut. No. D 974 Neut. No. D 974 Neut. No. D 974 Pour Point D 97 Pour Point D 97 Pour Point D 97 Spec. Gravity D 1298 Spec. Gravity D 1298 Spec. Gravity D 1298 Inhibitor D 2668 Inhibitor D 2668 Inhibitor D 2668 Viscosity at 40 C D 445 Viscosity at 40 C D 445 Viscosity at 40 C D 445 Pow. Factor, 25 C D 924 Pow. Factor, 25 C D 924 Pow. Factor, 25 C D 924 Pow. Factor, 100 C D 924 Pow. Factor, 100 C D 924 Pow. Factor, 100 C D 924 PCB D 4059 PCB D 4059 PCB D 4059 Flash Point D 92 Dissolved Metals D 5185 Aniline Point D 611 Particulate Metals Doble Corrosive Sulfur D 1275B Particle Count D 6786 PFVO Doble Corrosive Sulfur D 1275B SFL Doble Sulfur, CCD Test Doble Furanic Compounds D 5837

6 Specification Testing Together We Power The World SM Doble TOPS (Mineral Oil) ASTM D 3487 (Mineral Oil) IEC (Mineral Oils) Aniline Point D 611 Aniline Point D 611 Viscosity, 40 C ISO 3104 Color D 1500 Color D 1500 Viscosity, -30 C ISO 3104 Visual D 1524 Visual D 1524 Pour Point ISO 3016 Flash Point D 92 Flash Point D 92 Moisture IEC IFT D 971 IFT D 971 Dielectric, received IEC Pour Point D 97 Pour Point D 97 Dielectric, after filtering IEC Spec. Gravity D 1298 Spec. Gravity D 1298 Density, 20 C ISO 3675, ISO Viscosity at 100 C D 445 Viscosity at 100 C D 445 Dissipation Factor, 90 C IEC Viscosity at 40 C D 445 Viscosity at 40 C D 445 Appearance IEC Viscosity at 0 C D 445 Viscosity at 0 C D 445 Acidity IEC Dielectric D 877 Dielectric D 877 IFT ISO 6295 Dielectric D 1816 Dielectric D 1816 Total Sulfur ISO Impulse Breakdown D 3300 Impulse Breakdown D 3300 Corrosive Sulfur DIN Gassing Tendency D 2300 Gassing Tendency D 2300 Antioxidant IEC 60666, Sec. 5.1 Power Factor, 25 C D 924 Power Factor, 25 C D Furfural IEC Power Factor, 100 C D 924 Power Factor, 100 C D 924 Oxidation Stability IEC 61125C Oxidation Stability D 2440 Oxidation Stability D 2440 Gassing Tendency IEC Oxidation Stability D 2112 Oxidation Stability D 2112 Flash Point ISO 2719 Inhibitor D 2668 Inhibitor D 2668 PCA Content IP 346 Corrosive Sulfur D 1275B Corrosive Sulfur D 1275B PCB Content IEC Water/RS D 1533 Water/RS D 1533 Neut. No. D 974 Neut. No. D 974 Optional Tests PCB Content D 4059 PCB Content D 4059 ECT Test CIGRE SC12 Furanic Compounds D 5837 Baader Test DIN PFVO Doble CCD Test IEC SFL Doble Carbon Type D 2140 Doble CCD Test Doble Dibenzyl Disulfide Doble Benzotriazole Doble Irgamet 39 Doble Full Specification Testing is also performed on: Silicones High Molecular Weight Hydrocarbons Natural Esters

7 Specialty Tests on Liquids and Solids Related to Corrosive Sulfur TEST Method Amount Required Copper Content in Insulating Paper or Pressboard Doble 5 grams Corrosive Sulfur in Oil (Copper Strip) ASTM D 1275A or B 250 ml Corrosive Sulfur in Oil (Silver Strip) DIN ml Corrosive Sulfur in Oil (Copper Strip), discontinued ISO ml Covered Conductor Deposition, Doble Doble 50 ml Covered Conductor Deposition and Dielectric Strength of Paper Doble 50 ml Covered Conductor Deposition IEC ml Covered Conductor Deposition, ABB ABB 50 ml Dibenzyl Disulfide Doble 5 ml Elemental (free) Sulfur UOP-286/ ml Inorganic Chlorides and Sulfates ASTM D ml Mercaptan Sulfur ASTM D ml Passivator Determination (BTA/Irgamet 39 ) Doble 10 ml Pilot Treatment for Removal of Corrosive Sulfur Compounds Doble 1 to 2 liters Treatment Experiments to Remove Corrosive Sulfur (other than above) Doble 1 to 2 liters SEM/EDX of Copper, Paper or other solids Doble Contact lab Sulfur Content in Insulating Paper or Pressboard Doble 5 grams Corrosive Sulfur Presence in Insulating Paper or Pressboard with silver Modified TAPPI T cm 2 Sulfur Speciation ASTM D ml Tarnish Level of Copper Strip used in corrosive sulfur tests ASTM D 130 N/A Total Sulfur ASTM D 4294 ISO ml TESTS Commonly Requested, Liquid Dielectrics Individual Tests for Mineral Oil TEST ASTM Number Volume of* Liquid, ml Dissolved Gas-in-oil analysis (DGA) D 3612A or C 35 Color D Dielectric Breakdown D 877A or B 80 Dielectric Breakdown D Furanic Compounds in Oil D Inhibitor Content D Interfacial Tension D Neutralization Number D Polychlorinated Biphenyls (PCBs) in Oil D Power 25 C D (1 liter**) Power 100 C D (1 liter**) Power 25 C & 100 C D (1 liter**) Specific Gravity D C D Visual Examination D Water Content Oil D

8 Individual Tests for Liquid Dielectrics TEST ASTM Number Volume of* Liquid, ml Aniline Point D Carbon Type Composition (Hydrocarbon Analysis) D L Cloud Point D Coefficient of Thermal Expansion D Color of Silicones D C D Copper, dissolved in oil by AA D Dielectric Constant D Flash Point, open cup D Fire Point, open cup D Flash and Fire Point, open cup D Flash Point, closed cup D Fire Point, closed cup D Flash & Fire Point, closed cup D Foaming Tendency D Free Chlorides* D Gassing Tendency D Impulse Breakdown D L Infrared Scan D Interfacial Tension by Drop Method D Material Compatibility D 3455, D 5282 Dissolved Metals D Bearing Wear Metals by AA: Cu, Pb, Zn, Fe, (Al, Ag) Doble 500 Oxidative Aging by Open Beaker D Oxidation Stability (two 72 and 164 hrs) D Oxidation Stability (one 72 and 164 hrs) D Particle Count D Pilot Clay Treatment Doble 1000 PFVO Doble 1000 PFVO and SFL Doble 1000 Polychlorinated Biphenyls (PCBs) in Soils Doble 50 g Polychlorinated Biphenyls (PCBs) in Wipes Doble 100 cm 2 Polychlorinated Biphenyls (PCBs) in Water Doble 1 L Polychlorinated Biphenyls (PCBs) in Other Doble Contact Lab Pour Point D Power Factor Temp. Curve, 25 to 100 C D Refractive Index D Rotary Bomb (Pressure Vessel) D Sediment D 1698 Total Sediment 50 Organic and Inorganic Sediment Soluble Sludge 50 Total Sediment and Soluble Sludge 50 Sludge Free Life (SFL) Test Doble 1 L Sludge Precipitation Doble 100 Specification Tests for Transformer Mineral Oils Doble TOPS 6 L Specification Tests for Transformer Mineral Oils D L Specification Tests for Transformer Mineral Oils IEC L

9 TEST ASTM Number Volume of* Liquid, ml Specification Tests for new Transformer Mineral Oils Doble TOPS 8 L Specification Tests for new Transformer Mineral Oils ASTM D L Specification Tests for new Transformer Mineral Oils IEC L Specification Tests for new Transformer Mineral Oils CSA L Specification Tests for new Transformer Mineral Oils BS EN 60296: L Specification Tests for new Transformer Mineral Oils AS L Acceptance &Maintenance Testing of Transformer Oils IEEE C to 6 L Maintenance Testing of Transformer Oils IEC L Specification Tests for Reclaimed Transformer Oils BS 148: L Specification Tests for High Fire-Point Mineral Oils D L Specification Tests for Silicone Insulating Oils D L Specification Tests for Natural Ester Fluids D L Static Charging Tendency Doble 500 Stray Gassing Characteristics (low temp. gassing) D C D D Other temperatures 50 to 100 C D Viscosity Gravity Constant setup per sample D Viscosity Temperature Coefficient 100 Viscosity Temperature Curve D Volatile Matter in Silicone D Volume 25 C D Volume 100 C D Volume 25 C & 100 C D Filter + Microscopic Examination Doble 250 Filter + Dry Doble Note: Always add a margin to the volume for repeat tests. In some cases oils can be reused for other tests 3.79 L/gallon 946 ml/quart Most of the testing above applies to other insulating oils as well (synthetics esters, natural esters, silicones, etc. except as noted below) ** Referee Test Individual Tests for other liquids a. Only three tests are performed on Chlorinated Oils (Askarels), do not send more than 100 ml b. Analysis on fluorinated insulating liquids is no longer performed Individual Tests for Liquid Dielectrics Using IEC, and ISO Tests TEST Method Volume of* Liquid, ml Breakdown Voltage IEC Relative Permittivity IEC Dielectric Dissipation Factor IEC d.c. Resistivity IEC Appearance IEC Oil to Oil Compatibility IEC Liter Dissolved Gas-in Oil analysis (DGA) IEC Aromatic Content IEC Inhibitor Content IEC Water Content in Oil IEC

10 TEST Method Volume of* Liquid, ml Specification Tests for Silicones IEC Aging Tests for Silicones IEC Impulse Breakdown and Constant Pulse IEC liters Particle Count IEC Accelerated Oxidation Stability Tests IEC 61125A, B, & C 200 Furanic Compounds IEC PCB Content IEC DDF by conductance IEC Low Temperature Viscosity IEC Acidity IEC Color of Oil ISO Open Cup Flash and Fire Point ISO Closed Cup Flash and Fire Point ISO Pour Point ISO Viscosity ISO Density ISO Coding the Level of Particulate Contamination ISO Refractive Index ISO Color of Silicones ISO Interfacial Tension ISO TESTING OF SOLID DIELECTRICS TEST Method Amount Required Ash Content of Paper ASTM D g Ash Content of Paper ISO g Ash Content of Paper TAPPI T g Conditioning of Paper ASTM D 618 Contact Lab Burst Strength of Paper ASTM D cm 2 Burst Strength of Paper ISO cm 2 Burst Strength of Paper TAPPI T cm 2 Conditioning of Paper ISO 187 Contact Lab Conditioning of Paper TAPPI T 402 Contact Lab Conducting Path of Paper (dry) ASTM D cm 2 Copper conductor purity Doble 10 grams Copper content of paper Doble 5 grams Degree of Polymerization ASTM D cm 2 Degree of Polymerization IEC cm 2 Dicyandiamide in Paper by HPLC Doble 1 gram Melamine in Paper by HPLC Doble 1 gram Dielectric Constant of Paper (Permittivity) ASTM D cm 2 Dielectric Strength of Paper (dry or oil impregnated) ASTM D 149 (IEC 60243) 100 cm 2 Furanic Compounds in Paper Doble 1 gram Gasket Material material compatibility ASTM D 3455 Contact Lab Grammage of Paper ASTM D 646 N/A Grammage of Paper ISO 536 N/A Grammage of Paper TAPPI T 410 N/A

11 TEST Method Amount Required Impulse Breakdown of Paper (full wave) ASTM D cm 2 Metals in Paper (Cu, Pb, Fe, Zn, Al, or Ag) Doble 5 g Paints material compatibility ASTM D 3455 Contact Lab Paper and Pressboard material compatibility ASTM D 3455 Contact Lab Power Factor of Paper at 25 C ASTM D cm 2 Power Factor of Paper at 100 C ASTM D cm 2 Relative permittivity and dielectric dissipation factor IEC cm 2 Sealed Tube Aging Tests IEEE, C57.100, Annex A Contact Lab Sulfur content of paper Doble 5 grams Tapes material compatibility D 3455 Contact Lab Tensile Strength ASTM D full sheets Tensile Strength ISO full sheets Tensile Strength TAPPI T full sheets Vacuum Processing and Oil Impregnation ASTM D 2413 Contact Lab Varnishes material compatibility ASTM D 3455 Contact Lab Water Content of Paper IEC mg Water Content of Paper and Pressboard IEC mg Water Content (paper and pressboard) ASTM D mg Direct Titration Oven Extraction Not all the tests we perform are listed. Doble is capable of performing many other tests on solid and liquid dielectric materials as well. Please consult us if the testing you require is not listed. DOBLE LABORATORIES CONTACT INFORMATION Doble Engineering Company Materials Laboratory Doble Engineering Company Materials Laboratory 2200 Gateway Centre Blvd., Suite W. Minnesota Street Morrisville, NC USA Indianapolis, IN USA Contact: Rob Santa Contact: Scott DeMoss Phone: , Ext Phone: Cell: Cell: Fax: Fax: Doble Engineering Company Materials Laboratory Doble Engineering Company High Voltage Laboratory 85 Walnut Street 85 Walnut Street Watertown, MA USA Watertown, MA USA Contact: Lance Lewand Contact: Larry Melia Phone: Phone: , Ext Cell: Fax: Fax: