UTILITY & SUBSTATION TESTING

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1 UTILITY & SUBSTATION TESTING Application Guide APT Power Technology Co., Ltd. Xi an

2 FOREWORD Substations are key part of power infrastructure. Consist mostly of transformers, GIS, Switchgears, CT/PT, Surge Arresters, Battery, Power and control cables, etc, and various protective relays. Substations also are very important and complex systems that require sustainable and reliable operations. In the field, acceptance and preventive test are performed to confirm the integrity of the equipment usually. As one-stop supplier of substation test, APT Power China provides a full series test equipment, solutions and service. The brochure is compiled by various test equipment. Hope is helpful and readable for electrical contractors, power companies, etc. Please check its content for substation test equipment series; Please visit APT website to check the item details which you are interested in; in most cases, you could check the item details which you are interested in by hyperlinked anchored at the document; If you have any inquiry or RFQs, please sent you inquiry to sales@xaapt.com or apt@vip.163.com

CONTENTS RELAY TEST SI- SERIES 1 CT/PT TEST CTP108 / AU104 1 CIRCUIT BREAKER TEST CBT- SERIES 2 CONTACT RESISTANCE TES CR200A / CR600A 2 BATTERY LOAD/DISCHARGE TESTING BM-300 3 SURGE ARRESTER LEAKAGE

3 CONTENTS RELAY TEST SI- SERIES 1 CT/PT TEST CTP108 / AU104 1 CIRCUIT BREAKER TEST CBT- SERIES 2 CONTACT RESISTANCE TES CR200A / CR600A 2 BATTERY LOAD/DISCHARGE TESTING BM SURGE ARRESTER LEAKAGE CURRENT TESTING SALC10 3 WINDING RESISTANCE 7765 / TO- SERIES 4 TURNS RATIO TTR- SERIES 4 INSULATION RESISTANCE IM-SERIES 5 POWER FACTOR / C & TANδ DF902A 5 INDUCED VOLTAGE WITHSTAND TEST DVDF- SERIES 6 PARTIAL DISCHARGE TEST PD- SERIES 6 SWEEP FREQUENCY RESPONSE SFRA1011E 7 TRANSFORMER POWER ANALYZER TLMS- SERIES 7 TRANSFORMER OIL DISSOLVED GAS ANALYSIS DGA OIL TESTER OT-/PDGA/MIO-/DDR-3 8 DC HIPOT TESTING DP- SERIES 9 AC/DC HIPOT AHP- SERIES 9 HV RESONANT TEST XZF-/XZL- SERIES 10 VERY LOW FREQUENCY TEST FOR CABLES VLF- SERIES 11 CABLE FAULT LOCATION CFL- / CSF106/MB15 12 PRIMARY CURRENT INJECTION PI- SERIES 13 TEMPERATURE RISE TEST SYSTEM TRT- SERIES 13 EARTH RESISTANCE TEST EM- SERIES 14 VOLTAGE MEASUREMENT HVT- SERIES 14

RELAY TEST Six-phase protection relay test: 6 phase voltage & 6 phase current independently both magnitude and angle variable.

SI 616B1 Six-phase Protection Relay Tester Output Current: 6 phase, each up to 40 A Output Voltage: 6 phase, each up to 300V Auto-reclosing

test CT/PT TEST AU104 Multi-function CT/PT Tester As a tester, AU104 could be used to test CT/PT excitation curve, CT 10% & 5% error curve, and

As a calibrator, AU104 could be used to test CT/PT ratio error and phase error.

As a voltage booster, AU104 could be used for dielectric test up to 2500V for CT/PT test.

4 RELAY TEST Six-phase protection relay test: 6 phase voltage & 6 phase current independently both magnitude and angle variable. Voltage/ Current/ Frequency/ Differential/ Distance relay etc. SI 616B1 Six-phase Protection Relay Tester Output Current: 6 phase, each up to 40 A Output Voltage: 6 phase, each up to 300V Auto-reclosing Protection Transformer Protection Bus-bar Differential Protection Bus couple automatic transfer Binary input triggered by GPS for end to end test CT/PT TEST AU104 Multi-function CT/PT Tester As a tester, AU104 could be used to test CT/PT excitation curve, CT 10% & 5% error curve, and knee point calculated, CT/PT turns ratio and Polarity, CT/PT secondary burden, CT/PT secondary winding resistance. As a calibrator, AU104 could be used to test CT/PT ratio error and phase error. As a current injector, AU104 could be used to test CT up to 600A at CT primary side. As a voltage booster, AU104 could be used for dielectric test up to 2500V for CT/PT test. CTP108 CT/PT Analyzer Product Features: All-in-one design, Mobility & Safety Easy Connection & Easy operation Small and Lightweight, only 10kg Accuracy 0.05%, used for field CT verification Turns Ratio and Polarity Test at the Secondary Side Wide Range of Measurements: CT/PT Turns Ratio & Excitation curve CT/PT Phase & Polarity Check CT/PT Ratio error & Phase error CT/PT Secondary Winding Resistance Measurement CT Secondary Burden and Impedance Measurement 1

CIRCUIT BREAKER TEST Substation circuit breaker testing is an important task for any power

The breakers are there to facilitate the flow of current during normal operation and to interrupt

It is necessary to carry out testing to find out what is the cause of out-of-tolerance conditions.

measurements Bouncing measurements Speed, Travel, Current measurements Low voltage operating test

micro-ohm resistance measurement, such as the contact resistance of circuit breaker,

5 CIRCUIT BREAKER TEST Substation circuit breaker testing is an important task for any power utility. The breakers are there to facilitate the flow of current during normal operation and to interrupt current flow in the event of a fault. It is necessary to carry out testing to find out what is the cause of out-of-tolerance conditions. CBT- Series Circuit Breaker Test set Timing measurements, 12 channels, Open/Close time Reclosing measurements Bouncing measurements Speed, Travel, Current measurements Low voltage operating test Internal / External / Transducer / Current /Contact Trigger ONTACT RESISTANCE TEST Designed for micro-ohm resistance measurement, such as the contact resistance of circuit breaker, disconnecting switches, bus-bar and its joint resistance. CR600A Digital Micro-ohmmeter 100A, 200A, 300A, 600A Contact Resistance 0 50mΩ Four-terminal wiring method CR200A Digital Micro-ohmmeter 50A, 100A, 200A Contact Resistance 0 100mΩ Four-terminal wiring method 2

BATTERY LOAD/DISCHARGE TESTING Batteries are used to ensure that critical electrical equipment is always on.

The APTTM BM-300 is used to perform discharge/load testing which is the only way to determine battery actual capacity. It is a expandable discharge system with optional cell voltage logger.

BM-300 Battery Load Unit Battery on-line & off-line discharge test Battery voltage range: 10 V to 300 V Discharge current: max 150A, expandable Real time cell voltage displayed with bar graphs

7 colorful screen RS232 interface for communication with PC Blue tooth auto connection with cell voltage SURGE ARRESTER LEAKAGE CURRENT TESTING A surge arrester may be inexpensive, but it has an

6 BATTERY LOAD/DISCHARGE TESTING Batteries are used to ensure that critical electrical equipment is always on. It is important to track the battery s health and actual capacity and to estimate remaining life of the battery. The APTTM BM-300 is used to perform discharge/load testing which is the only way to determine battery actual capacity. It is a expandable discharge system with optional cell voltage logger. Test can be conducted at constant current load mode. BM-300 Battery Load Unit Battery on-line & off-line discharge test Battery voltage range: 10 V to 300 V Discharge current: max 150A, expandable Real time cell voltage displayed with bar graphs Discharging voltage/current curve analysis Residual capacity analysis Display: Touch 5.7 colorful screen RS232 interface for communication with PC Blue tooth auto connection with cell voltage SURGE ARRESTER LEAKAGE CURRENT TESTING A surge arrester may be inexpensive, but it has an important role in protecting your transformers. The APTTM SALC10 is a special instrument to determine the condition of Metal Oxide Arrester by monitoring the leakage current. SALC10 can measure while the arrester is still in service, measuring the current, analyzing the capacitive current, resistive current and harmonic current, assessing the quality of the metal oxide blocks and helping manage the risk of failure. SALC10 Surge Arrester Leakage Current Analyzer Portable, battery-operated instrument for regular condition assessment of surge arresters. Suitable for surge arrester laboratory test, field test either in-service or not. Three test mode: with PT signal, without PT signal, and with E-field probe plate. Leakage current analysis: total current, capacitive and resistive current, phase angle. Fundamental & 3rd to 7th Harmonic analysis of resistive current. Comprehension to the coupling effect from phase B to phase A and phase C. 3

WINDING RESISTANCE TEST Transformer winding resistance measurement

20A/ 50A Constant-current technology Automatic self-test and

& simple operation 0 20 kω resistance measurement 7765 Hand-held

resistive load Current step: 5mA, 0.1A, 0.

TURNS RATIO TEST Transformer Turns Ratio, Polarity & Vector Group

Single/Three Phase Transformer, Zigzag Transformer, PT Large color

7 WINDING RESISTANCE TEST Transformer winding resistance measurement TO- series Transformer ohmmeter Current 10mA/ 100mA/ 1A/ 3 A/ 10A/ 20A/ 50A Constant-current technology Automatic self-test and discharge Saturable magnetic circuit method for Ynd11 High precision & simple operation 0 20 kω resistance measurement 7765 Hand-held Micro Ohmmeter 10A Digital Low Resistance Ohmmeter Battery powered, only 1.66kg Resistance and temperature measured Suitable for inductive & resistive load Current step: 5mA, 0.1A, 0.3A, 1A, 3A, 10A Resistance range: 0 20 kω 500 sets data storage TURNS RATIO TEST Transformer Turns Ratio, Polarity & Vector Group measurement TTR- series Transformer Turns Ratio Tester Specimen: Single/Three Phase Transformer, Zigzag Transformer, PT Large color touched LCD for operation and display Polarity & Vector Group Exciting current to be tested USB port for exporting the data RS485 for PC remotely controlling the instrument Fully Protection 4

INSULATION RESISTANCE Digital Insulation Tester can be used to measure insulation resistance, Dielectric Absorption

discharge, light & sound indicating Lithium Battery Automatic calculation of PI(Polarization Index) & DAR(Dielectric

real-time POWER FACTOR/C & tanδ Measurement of dissipation (Dielectric Loss factor/df/tan ) or power factor (PF/cos ) in

DF902A Automatic 12kV Capacitance & Dissipation Factor Test Set Designed for the dielectric loss measurement in the

power supply, test transformer, standard capacitor, etc.

8 INSULATION RESISTANCE Digital Insulation Tester can be used to measure insulation resistance, Dielectric Absorption Ratio (R60/R15), Polarization Index (R600/R60) IM- series Digital Insulation Tester Voltage output 500V 5kV Automatic discharge, light & sound indicating Lithium Battery Automatic calculation of PI(Polarization Index) & DAR(Dielectric Absorption Ratio) Anti-interference, shockproof moisture abilities Output voltage and insulation resistance displayed in real-time POWER FACTOR/C & tanδ Measurement of dissipation (Dielectric Loss factor/df/tan ) or power factor (PF/cos ) in the tests of transformers, cables, motors, insulation oil, bushings, surge arresters, capacitors, circuit breakers, etc. DF902A Automatic 12kV Capacitance & Dissipation Factor Test Set Designed for the dielectric loss measurement in the field or in the laboratory Output voltage up to 12kV Integrated structure with built-in bridge, frequency conversion power supply, test transformer, standard capacitor, etc. inside Anti-interference technology of Frequency Conversion Digital filtering technology of Fourier Transformation Automatic intelligent measurement Stable data under strong interference Micro-printer 5

INDUCED VOLTAGE WITHSTAND TEST Induced voltage withstand test, also

test / Motor generator test / High frequency generator.

1000V continuously variable Single Phase or Three Phase output

transformer insulation performance between turns of coils & layer to

protection Confirm to IEC60076-3-2013 PARTIAL DISCHARGE TEST Analog

Digital PD Analyzer for powerful PD Diagnostic function.

partial discharge testing Incorporating all the basic functions of

Affordable PD test solution with simple operation & middle size

suitable for field PD detecting & locating Strong PD signal analysis

measurement Synchronous sample, process and display Inner and

9 INDUCED VOLTAGE WITHSTAND TEST Induced voltage withstand test, also called Double Voltage & Double Frequency test / DVDF motor generator test / Motor generator test / High frequency generator. DVDF- series Induced Voltage Withstand Test Set Output voltage V continuously variable Single Phase or Three Phase output Output frequency 150Hz or 200Hz Three / Four times frequency to test transformer insulation performance between turns of coils & layer to layer DC no-carbon-brush excitation Over load, Over hear and zero protection Confirm to IEC PARTIAL DISCHARGE TEST Analog PD detector Considering Reliability and Economy. Digital PD Analyzer for powerful PD Diagnostic function. PDD202 Partial Discharge Detector The ideal equipment for pass/fail partial discharge testing Incorporating all the basic functions of an analogue detector Measurement of the PD level and test voltage Affordable PD test solution with simple operation & middle size facilities PDA-2P Two Channel Digital PD analyzer Portable device suitable for field PD detecting & locating Strong PD signal analysis and interference signal processing ability Two channel digital PD measurement Synchronous sample, process and display Inner and external synchronous arbitrarily Zero indication and phase identification Data and waveform saving function Narrow-band testing function 6

SWEEP FREQUENCY RESPONSE TEST Sweep Frequency Response test is to detect power transformer winding deform or

SFRA1011E Portable Sweep Frequency Response Analyzer All in one design, small size and light weight Suitable for

Two mode of sweep frequency: Linear and Segmented Data storage: 200 sets Interface to update test results to PC

10 SWEEP FREQUENCY RESPONSE TEST Sweep Frequency Response test is to detect power transformer winding deform or displacement. SFRA1011E Portable Sweep Frequency Response Analyzer All in one design, small size and light weight Suitable for mobilization and operated at site Integrated LCD & Printer 7 color LCD and Touch Screen Two channel 16 bits AD sampling Two mode of sweep frequency: Linear and Segmented Data storage: 200 sets Interface to update test results to PC TRANSFORMER POWER ANALYZER TLMS731 is a precision power analyzer to measure the transformer no-load loss and load loss before factory delivery. TLMS731 Transformer Power Analyzer Measurement of transformer no-load loss and load loss Vrms, Irms, Impedance Voltage, Zero sequence impedance, power factor, harmonic wave 8 LCD and touching screen Test data searched & locked automatically Up to U30/I30 Harmonic wave analysis Data up-loaded by flash disk Micro-printer inside RS485 available 7

TRANSFORMER OIL DISSOLVED GAS ANALYSIS Dissolved Gas Analysis (DGA) is an

identification and process Component: DGA Main Frame: TCD and double FID, Nickel

Processing & Analysis Software, Shock Degassing Apparatus, 100ml & 250ml

11 TRANSFORMER OIL DISSOLVED GAS ANALYSIS Dissolved Gas Analysis (DGA) is an established technique and is recognized as the important test item for oil immersed power transformers. DGA-900 is one laboratory test equipment based on chromatography, widely used in China. DGA-900 Transformer Power Analyzer Based on windows7/8 Two channels bus on-time samples 24 bits A/D card, input ±1.25V Open database Auto fault diagnosis, Over-proof prompt Chromatographic peak identification and process Component: DGA Main Frame: TCD and double FID, Nickel catalyst converter DGA work station: Computer, A/D sampling card, Data Processing & Analysis Software, Shock Degassing Apparatus, 100ml & 250ml Injectors, H2 Generator, Air Generator Carrier Gas: N2, Reference Gas provided for calibration OIL TESTER OT-series Single/Three Cup 80kV - 100kV Automatic Oil Tester MIO- series Karl Fischer Moisture In Oil Test Kit DDR-3 Insulation Oil Dielectric Dissipation and Resistivity Test Set 8

DC HIPOT TESTING DP series high voltage DC

source up to 600kV for checking the quality

kv DC 120 kv DC 200 kv DC 300 kv DC 400 kv

different current output for AC Hipot test

display, auto timing, fully protections,

5/50A 50 kv AC Automatic AC/DC AHP 10/100

Automatic AC/DC AHP 15/150 150 kv AC Manual

12 DC HIPOT TESTING DP series high voltage DC withstand test set, Provide DC high voltage source up to 600kV for checking the quality of power cables, insulators, motors, switchgears and capacitors. Portable designed, control module and HV tank can be put into one suitcase. DP801 DP802 DP803 DP804 DP805 DP500 DP kv DC 120 kv DC 200 kv DC 300 kv DC 400 kv DC 500 kv DC 600 kv DC AC/DC HIPOT AHP series AC/DC Hipot Test Set is a microprocessor controlled instrument with different current output for AC Hipot test at power frequency or DC Hipot test with a high voltage silicon stack. Manual or Fully Automatic Digital voltage display, auto timing, fully protections, alarm AHP 5/50 50 kv AC Manual AC/DC AHP 5/50A 50 kv AC Automatic AC/DC AHP 10/ kv AC Manual AC/DC AHP 10/100A 100 kv AC Automatic AC/DC AHP 15/ kv AC Manual AC/DC AHP 30/ kv AC Manual AC/DC 30kVA AHP 50/ kv AC Manual AC/DC 50kVA AHP 5/ kv AC Manual AC/DC 5kVA AHP-DS-3/50 50 kv AC Manual AC/DC 3kVA HV-current AHP-DG-5/ kv AC Manual AC/DC 5kVA SF6 insulation 9

XZF- Series Variable Frequency Resonance

Inductance Resonant Test Set Generator AC

13 HV RESONANT TEST High voltage resonant test for AC withstand test of electric equipment, such as Transformers, 10kV 800kV XLPE Cables, Generators etc. XZF- Series Variable Frequency Resonance Test Set Designed for AC withstand test of XLPE Cable, GIS, etc. Test Frequency 30Hz 300 Hz Variable frequency power source Excitation transformer Reactors & HV capacitive voltage divider XZL- Series Variable Inductance Resonance Test Set Designed for AC withstand test of Generators under power frequency 50Hz Test console & Excitation transformer Reactors & HV capacitive voltage divider Voltage 25kV 55kV Capacity 200kVA 2750 kva PD Free! XZL- Series Mobile PD Free Variable Inductance Resonant Test Set Generator AC withstand test PDFree design, Partial Discharge measured during the resonant test Manual or Automatic Test Mode XZF- 300kVA/300kV for Indonesia Designed for withstand test of 150kV Cables and 150kV GIS at jobsite in Indonesia Test Frequency: 30Hz 300Hz Load capacity: 1.2A for 30min, 1.0A for 1h 10

VERY LOW FREQUENCY TEST FOR CABLES Very Low Frequency is an idea substitute of HV dielectric strength test at

Microprocessor controlled <50kV single unit, >50kV in series Large LCD display Sinusoidal wave output Over

14 VERY LOW FREQUENCY TEST FOR CABLES Very Low Frequency is an idea substitute of HV dielectric strength test at main power frequency for those bigger capacitance specimens such as 35kV XLPE power cable, Generators, Power capacitors, etc. Compared with Hipot test set at main power frequency, VLF Test Set need much small power capacity, small size and light weight. VLF- Series Very Low Frequency High Voltage Test Set Product Features: Electronic frequency conversion Microprocessor controlled <50kV single unit, >50kV in series Large LCD display Sinusoidal wave output Over current & over voltage protection 30kV 90kV(peak) continuous adjustable Output Frequency: 0.1Hz, 0.05Hz, 0.02Hz Maximum Load: 2.5µF 5.5µF Reference connection diagram for cable testing Note: If the test object capacitance is less than 0.05µF, it needs to parallel the auxiliary 0.1µF capacitor for assisting output waveform. 11

15 CABLE FAULT LOCATION Two kinds of method are widely used for faults pre-location. One is pulse reflection, another is MURRAY Electric Bridge. Cable Sheath Fault Location System CSF601 Cable Sheath Fault Location System Components: Sheath Fault Location Power Supply Step Voltage Pin-pointer Features: Output voltage 1kV, 2kV, 5kV, 10kV Digital sampling Full protection Automatic discharge Pulse Reflection CFL- Series Portable Cable Fault Location System To locate high or low resistance fault for 35kV and below cables Product Features: 32kV / 4µF Surge Voltage Generator Secondary Impulse Method, SIM Impulse Current Method, ICM Time Domain Reflection, TDR Single / 8 pulse mode available Murray Bridge MB15 15kV Murray Loop for Cable Fault Location Murray Bridge & mega-meter set in one User defined test voltage up to 15 kv Automatic fault distance calculated and location displayed Large LCD touch-screen for operation and display Automatic calculation of PI(Polarization Index) & DAR(Dielectric Absorption Ratio) 12

16 PRIMARY CURRENT INJECTION Primary current injection test set is designed for the test of Circuit Breaker, Contactor, etc. Two separate units. Auto timing Manual or automatic for optional PI1000A 1kA Automatic PI2000 2kA Manual PI3000A 3kA Automatic PI5000A 5kA Automatic PI503 3kA Manual PI3505A 5kA Automatic 3φ TEMPERATURE RISE TEST SYSTEM TRT series for Switchgears Temperature Rise test system TRT3503 TRT3505 3φ 3000A 3φ 5000A CHC 3000A / 15V Cable Heating Cycle test system Cable Heating Cycle test system Suitable for tested cable 6-30kV/630mm2, 2.15m in length 13

EARTH RESISTANCE TEST Advanced earth resistance

storage & USB interface VOLTAGE MEASUREMENT

test. HVT- Series High Voltage Meter Suitable

17 EARTH RESISTANCE TEST Advanced earth resistance tester, which centralize many kinds of measuring method in one body. Applied for earth resistance test of transformers, lightning protection, high-voltage transmission tower, communication equipment, etc. EM- Series Earth Resistance Tester Basic Functions: Earth resistance measurement Interference voltage & current measurement Soil resistivity measurement AC resistance measurement DC resistance measurement Data storage & USB interface VOLTAGE MEASUREMENT Adopting RC divider, designed to measure power frequency AC/DC high voltage. Mainly used for power frequency or DC withstand test. HVT- Series High Voltage Meter Suitable for power plant, substation, factory and HIPOT laboratory Product Features: AC 50kV 300kV / DC70kV 400kV Digital display Small size & light weight Portable design, easy to assembly 14

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Testing and Diagnostic of Power Transformers & Distribution Transformers

Testing and Diagnostic of Power Transformers & Distribution Transformers APT Power Technology Co., Ltd. Xi an FOREWORD Transformers play an very important role in power transmission and distribution system.