Electrical & Instrumentation
Specialized E&I services for legacy systems and modern platforms. Expertise in turbine starting systems, calibration, maintenance, and outage support.
Precision Matters. We Deliver Both.
Hughes Technical Services offers full-scope electrical and instrumentation support for gas and steam turbines, balance-of-plant systems, and critical controls. From testing and troubleshooting to installations and retrofits, we help power plants maintain reliability, safety, and performance.
Field Instrumentation Services
- Device installation and calibration
- Pressure, temperature, flow, and vibration instrumentation
- Loop checks, signal tracing, and function verification
- Control valve stroke testing and feedback calibration
Controls Support & Commissioning
- Logic verification and closed-loop testing
- Controls startup support and tuning
- I/O checkout and simulation testing
- Software adjustments and documentation
Troubleshooting & Diagnostics
- Flame detection and startup anomalies
- Emissions issues and trip investigations
- Sensor signal loss and grounding problems
- Onsite and remote support available 24/7
Our Electrical and I&C Capabilities
Let’s Talk Instrumentation
Need field support or planning an I&C upgrade? Our specialists are ready to assist.
Why HTS for E&I?
Trusted Expertise in Control Systems
Whether you’re running a legacy ABB unit or a modern distributed control system, HTS has the technical expertise to keep it performing. Our engineers have deep experience with leading OEM and third-party control systems, including:
- Procontrol™ P13 / P14
- Advant™ / 800xA™
- ALSPA™ P320
- ControGas™ / S6
- Mark VI / VIe™
- Emerson Ovation™
Complete Electrical & I&C Services You Can Rely On
From calibration to complex control systems, our team delivers dependable solutions tailored to your plant’s needs.
Instrumentation
- Instrument calibrations
- Pressure Transmitters
- Pressure Switches
- Thermocouples
- RTDS
- Vibration instruments
- Linearity Checks
- Shaker Table calibrations
- Parts Procurement
- Turbine instrumentation removal during overhauls
- Perform rip and replace wiring for controls upgrades
- Field service instruction implementation
- Commissioning and start-up support
Preventative Maintenance
- AVR
- SFC
- Gen Protection
- Synchronizer
AVR
- Experts in Unitrol D, F, M, and P
- Troubleshooting
- Functional testing
- Verification of supply voltages
- Testing of Analog and Digital Inputs
- Comparing Parameters between chennels
- Testing of Rotor Ground fault relay
- Testing of cooling fan operation
- Verification of correct field breaker, field flashing, and starting contactor
- Upgrade – front end upgrade to extend the lifetime of the system with
- FSNL testing
- Recording channel switch over
- Ground fault relay settings
- AVR step response
- Load Readings
- Verification of all voltages and current measurements
- Verification of active and reactive power measurements
SFC
- Upgrades pertaining to ABB/Alstom Fleet
- Functional testing
- Verification of supply voltages
- Testing of analog inputs (PT & CT) with secondary injection
- Testing of cooling fans
- Testing of internal alarm and trip signals
- Verification of thyristor ohmic resistance values
- Verification of thyristor pulses
- Verification of hardware protection card
- Interface Testing
- Testing of trips signals between SFC and Generator Protection
- Testing of DCS interface, including alarm signals
- Verification of external interlock signals
- Start-up Testing and Commissioning
- Recording of SFC rotor position
- Recording of SFC start-up characteristics
- Recording of hardware protection input signals
- Verification of current limiter during forced cooling
Synchronizer & Metering
- Troubleshooting
- Verification of settings
- Upgrades (Orlando)
- Yearly PM’s
Generator Circuit Breaker (GCB) Retrofits
- Upgrading of existing ABB circuit breakers
- Removal and installation of GCB
- Engineering of new GCB
- Offline testing of AC and DC trip coils
- Online testing and synchronization of new GCB
Generator Protection
- Verification, calibration and function checks
- Troubleshooting generator protection systems
- Upgrades (Kalaeloa)