Doble Engineering
Founded in 1920, Doble Engineering Company ensures reliable, safe and secure power for all. We do this by providing comprehensive diagnostics and engineering expertise for the energy industry. Doble is part of the Utility Solutions Group of ESCO Technologies Inc. (NYSE: ESE) and serves customers around the globe. Doble is an ISO 9001 & ISO/IEC 17025 & 17034 certified company.
- (617) 926-4900
- 123 Felton Street
Marlborough, MA 01752
United States of America
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Real-Time Operating System
RTXC
*Hard real-time operating system.*High performance in a small package.*Tested reliability.*Flexible and adaptable.
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Circuit Breaker Analyzer
CBA 1000
CBA 1000 circuit breaker timing test equipment is a reliable and very accurate operating device for the maintenance and commissioning of circuit breakers in medium and high voltage substation. It can perform static and dynamic contact resistance measurement and it’s an accurate timing speed and motion analyzer.
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Current And Voltage Transformer Test Set
iCT1
iCT1 - CT/VT Test Set is the NEW and most advanced portable equipment capable to test current, voltage and combined transformers.With the low voltage method, known as "DC method", iCT1 is able to test Current Transformers with a very high saturation voltage, up to 30 kV, in a complete safety mode. Quick and easy to use tool, iCT1 allows to perform tests in one shot without changing the connection to the CT, thanks to the integrated 5-TAP Switchbox.
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Winding Resistance Test
20A DC booster
The 20A DC STCS booster allows to perform resistance tests on a PT with a current up to 20 A DC. The option is used together with STS 5000 and STS 4000 and must be connected to STCS module.
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Calibrator Module
CAP CAL
The purpose of CAP-CAL is to check the correctness of Tan Delta and Capacitance of TD 5000 and TDX 5000. The calibrator includes an extremely high accuracy high voltage capacitor, which comes with a certificate issued by ISA - Altanova Group lab.
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Automatic Relay Test Set
DRTS 33
DRTS 33 is the most powerful diagnostic test set designed to perform accurate tests on protection relays, transducers, energy and power quality meters. This advanced test equipment is also thought to satisfy all the needs related to commissioning and substation maintenance. 3 Current and 3 Voltage generators simultaneously available.
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Automatic Relay Test Set
DRTS 66
DRTS 66 is the most powerful diagnostic test set designed to perform accurate tests on protection relays, transducers, energy and power quality meters. This advanced test equipment is also thought to satisfy all the needs related to commissioning and substation maintenance. 6 Current and 6 Voltage generators simultaneously available.
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Line Impedance
KIT
The Line impedance kit is composed of two modules, STLG and STSG. The kit is meant to be used with STS 5000, STS 4000 and eKAM in order to perform Line Impedance test.
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Secondary Injection Relay Test Set
TD 1000 PLUS
TD1000+ is a protective relay test set especially designed to give the commissioning engineers a multitasking and highly reliable testing equipment. In comparison with T 1000 PLUS model, TD 1000 PLUS has two current outputs to test the differential relay characteristic curve, besides the pick-up current.
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Portable PD Analyzer
AQUILA
A compact and portable Partial Discharge acquisition unit, which allows to detect and analyze partial discharge activities in all electrical assets: from power cables to transformers, rotating machines and switchgears, together with the right combination of sensors and accessories. AQUILA comes with a full range of options, ideal for field testing.
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Current Booster
BUX
The current boosters allow performing tests up to 2000A, 3000A and 5000A. The option is made of a module, which incorporates a power transformer, which generates a low-voltage, high current output and a metering CT, which measures the output current and sends the metering to eKAM.
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Primary Current Injection Test Set
T 3000
T 3000 is a primary current injection testing system designed to perform primary tests requested in substations commissioning. It allows to perform different tests and measurements on current transformers, voltage transformers, power transformers, protection relays, energy meters and transducers
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Capacitance And Tan Delta Test
Bushing Tap Adapter Kit
Bushing Tap Adapter Kit is designed to perform Capacitance and Tan Delta tests on power transformer bushings The kit can b e used with the following ISA Test Set STS 5000 TD 5000 STS 4000 TD 5000 TDX 5000.
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Tan Delta Test Set
TD 5000
The high-voltage generator TD 5000 is a complementary module of STS serie. TD 5000 designed to perform Tan Delta measurements, dissipation factor and capacitance of transformer and bushing at the frequency of the mains or in a wide frequency range.
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Power Supply Unit
GECC 3000 / 1500
The DC voltage power supply models GECC3000 and GECC 1500 are designed for supplying the DC voltage and current for testing any type of system which requires an high-power, ripple free DC power supply