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
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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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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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Circuit Breaker Analyzer
CBA 2000
CBA 2000 diagnostic system is designed to grant the highest accuracy while testing circuit breaker. It can perform static and dynamic contact resistance measurement and it’s a precise timing speed and motion analyzer. Circuit breaker timing test set CBA 2000 is the perfect solution when a complete and reliable diagnostics has to be performed on circuit breakers.
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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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Software For Protective Relay Testing
TDMS Pro
TDMS Pro is the NEW software platform designed to efficiently run tests and manage test data of almost any kind of electromechanical and digital relay from any manufacturer.From the simplest to the most complex type, TDMS Pro, with a completely new graphic interface and advanced test functions, can be used to test all types of multifunction protection relays installed in power transmission and distribution networks, in power plants and industries. The universal test set compatible with TDMS Pro are: DRTS 66, DRTS 64, DRTS 34 and DRTS 33.
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Primary Current Injection Testing
KAM
This substation testing device is designed to grant high current output when needed in substation commissioning activities.
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STDETransformer Demagnetizer
STDE
This option allows neutralizing the residual magnetization of the power transformer core after the winding resistance test. The principle of the option is to apply a constant current of alternate polarities to the transformer winding, as per the IEEE 0062 1995 standard.
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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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Three Phase Relay Test Set
RELTEST 1000
RELTEST 1000 is a multifunctional relay test set, especially designed for distribution, smart grid and renewable energy plants.
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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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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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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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Circuit Breaker Analyzer
CBA 3000
CBA 3000 allows any timing test, motion and speed analysis, multiple contemporary static and dynamic contact resistance measurements, both sides grounded (BSG) tests, undervoltage condition test and more. All these functions are integrated in a single lightweight test case without the need of connecting additional external modules.
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Battery Testing
BTS 200
This testing and maintaining battery system allows to perform measurement of battery voltage, discharging current test and testing of battery capacity. BTS 200 can be connected with external load unit ELU 200.
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Step & Touch & Earth Impedance
The kit applyed with STS 5000, STS 4000 or eKAM, allows to perform the following types of test: soil resistivity, ground grid resistance, step and touch tests and overhead lines zero sequence and mutual coupling coefficients
