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Tester automat masura transformare transformatoare trifazate Vanguard Tri-Phase

Cod: Vanguard Tri-Phase


 
Brosura produs PDF, 0.55 Mb
     

Descriere

  • Generates its own 3-phase transformer test voltage from single-phase AC or DC Power input
  • Capable of detecting 130 different 3-phase transformer types defined by ANSI, IEC, and Australian standards plus phase shifting transformers
  • 64 x 128 graphic LCD screen
  • Store up to 128 transformer test-plans in Flash EEPROM
  • Store up to 112 test records in Flash EEPROM
  • Built-in USB Flash Drive Interface
  • Computer Interface (RS-232C and USB Port)
  • 4.5 Inch thermal printer
  • Built-in transformer load tap changer
  • Powered from a single phase 100-264 Vac 50/60 H

 

 

Vanguard’s new TRI-PHASE is a true 3-phase transformer turns ratio tester designed to conform to the IEEE C57.12.90 measurement method. The TRI-PHASE outputs a 3-phase excitation test voltage to the three transformer primary windings. The induced 3-phase secondary voltages are sensed and the transformer turns ratio is calculated. The TRI-PHASE is capable of measuring turns ratios from 0.8 to 15,000. The 3-phase excitation current, phase angle readings along with the turns ratios are displayed on the built-in LCD. Since a 3-phase voltage is used to excite the transformer windings, the TRI-PHASE can detect and measure turns ratios of any transformer type. The TRI-PHASETM can easily measure the turns ratio of phase-shifting transformers where other 3-phase transformer ratio testers cannot.

 

Transformer Test Voltages

The Tri-Phase generates three-phase transformer

test voltages from a single-phase AC or

DC power source. Three test voltages (8 Vac, 40

Vac, 100 Vac) allow the Tri-Phase to test CT’s

and PT’s, as well as power transformers.

 

Auto-Detect Transformer

Confi guration

The Tri-Phase can automatically detect 130 different

transformer types defi ned by ANSI, CEI/

IEC, and Australian standards, as well as phaseshifting

transformers.

 

Internal Test Record

Storage

Up to 112 test records can be stored in the Tri-

Phases’s Flash EEPROM. Each test record may

contain up to 99 turns-ratio, excitation current,

phase angle, and nameplate voltage readings.

Test records can be recalled locally or transferred

to a PC via the available interfaces (RS-

232C port, USB port, USB Flash drive port).

 

Transformer Test Plans

The Tri-Phase can store up to 128 transformer

test-plans in its Flash EEPROM. A test-plan

is comprised of the transformer nameplate

voltages for each tap setting. The calculated

turns-ratio based on the nameplate voltages is

compared with the measured turns-ratio to derive

the percentage error and Pass/Fail results.

By recalling a test plan, a transformer can be

quickly tested and turns-ratio Pass/Fail reports

can be reviewed. Test plans can be created with

the PC software and can be transferred to the

Tri-Phase via the available interfaces (RS-232C

port, USB port, USB Flash drive port).

 

Accesorii standard

Part number TRI-PHASE Tri-Phase, cables, and PC software

Part number TRI-PHASE CASE Tri-Phase shipping case

Part number Paper-TP4 Thermal printer paper

 

Alte produse VANGUARD

TRUSA TESTARE TRANSFORMATOARE DE CURENT, RAPORT TRANSFORMARE, EXCITATIE, SATURATIE, POLARITATE VANGUARD EZCT-2000A

• Perform Saturation, Ratio and Polarity Tests
• Perform CT Winding Resistance Test
• Fully Automated
• Test record header information including company, substation name, circuit ID, manufacturer, CT serial number, operator name, and test record-comments
• Plot Multiple Saturation Curves
• Store 140 Records (of 10 Saturation Curves)
• Computer Interface
• USB Flash drive interface

 
TRUSA TESTARE TRANSFORMATOARE DE CURENT DIGITALA PORTABILA VANGUARD EZCT-10

• measurement method ANSI/IEEE C57.12.90, IEC 60044-1 and ANSI/IEEE C57.13.1
• output test voltages 0..50 Vac @ 10A max; 0 - 200 Vac @ 10A max; 0 - 1200 Vac @ 1.5A max (5 min on, 10 min off)
• voltage reading range 0..1,250 Vac
• current ratio range 0.8..99: ±0.5%, 100..999: ±1.0%, 1,000..5,000: ±2%
• phase angle measurement 0..360 degrees
• Perform Saturation, Ratio and Polarity Tests
• Fully Automated
• Comprehensive Graphic and Tabulated Test Reports
• Plot Multiple Saturation Curves
• Computer Interface & pc software

 
MICROOHMMETRU AUTOMATIC REZISTENTE DE CONTACT INTRERUPATOARE 200A VANGUARD AUTO-OHM 200 S3

• 1 to 200A programmable test current
• Resitance range: 1µ?..10m? at 200A to 1µ?..5? at 1A
• Very lightweight: 16.8 lbs. (7.6 Kg)
• Measures circuit breaker contact resistance with safety ground on (with the Dual Ground option)
• Stores test records on-board or on external USB Flash drive
• Rugged, 44-key "QWERTY" membrane keypad
• Windows XP/Vista/7 Analysis Software (included with purchase)

 
MICRO-OHMMETRU REZISTENTA CONTACTE TRANSFORMATOR 600A VANGUARD DMOM-600

• 10 to 600A programmable test current
• Resitance range: 1.5m? at 600A to 450m? at 10A
• Measures circuit breaker contact resistance with safety ground on (with the Dual Ground option)
• Stores test records on-board or on external USB Flash drive
• Built-in 2.5" wide thermal printer

 
ANALIZOR INTRERUPATOARE TIMP ACTIONARE VANGUARD CT-7000

• dry-contact inputs: 3 channels (9021-UC) or 6 channels (9100-UC)
• timing windows: 1 second, 10 seconds, or 20 seconds
• timing resolutions ±50 micro-seconds @ 1 sec. duration, ±500 micro-seconds @ 10 sec. duration, ±1.0 milli-seconds @ 20 sec. duration
• breaker operations: Initiate Open, Close, Open-Close, Close-Open, Open-Close-Open
• Fully analyze circuit breaker's performance
• measuring main contact and resistor contact time, stroke, velocity, over-travel, bounce back and contact wipes
• USB computer interface
• USB Flash drive interface (Flash drive not included)
• Built-in 4.5" wide Thermal Printer

 
TESTER MASURARE RAPORT DE TRANSFORMARE TRANSFORMATOARE VANGUARD ATRT-01

• Displays turns-ratio from 0.8-15,000
• Calculates turns-ratio percentage error
• Displays winding polarity and phase angle
• Displays excitation current
• Battery or AC-powered (ATRT-01B S3 only)
• Standalone or computer-controlled

 
SURSA DE PUTERE CURENT 10A AC/DC REGLABILA PENTRU TESTARE INTRERUPATOARE SI RELEE DE PROTECTIE VANGUARD UPS-S2

• Isolated variable 1-300 Vdc source
• Isolated variable 1-240 Vac source
• 10 ampere continuous current

 
ANALIZOR INTRERUPATOARE STICLA CU VID INALTA TENSIUNE VANGUARD VBT-60 / 80

• Automatic Testing
• 10 kV to 60 / 80 kV DC output in 5 kV steps
• Selectable dwell time from 5 seconds to 2 minutes
• Digital voltage and current display
• Failure indicator lamp
• Very light-weight

 
TESTER REZISTENTE INFASURATORI TRANSFORMATOARE TRIFAZATE VANGUARD TRM-403

• accurately measure resistance from 1 micro-ohm to 500 Ohms
• Perform three phase test on a transformer without the need to switch cables
• Can provide individual Delta winding resistance values
• Can provide individual Wye (with no neutral) winding resistance values
• Demagnetize transformer after test
• Selectable test current from 1A to 40A
• Computer control via RS-232C, USB, or Bluetooth interface
• Built-in 2.5" wide thermal printer

 
MICROHMMETRU REZISTENTE CONTACT INTRERUPATOARE 200A VANGUARD DMOM-200 S3

• 1 to 200A programmable test current
• Resitance range: 1µ?..10m? at 200A to 1µ?..5? at 1A
• Very lightweight: 19.8 lbs. (8.9 Kg)
• Measures circuit breaker contact resistance with safety ground on (with the Dual Ground option)
• Stores test records on-board or on external USB Flash drive
• Built-in 2.5" wide thermal printer