13.8kv 2MW Resistive Load Bank for Gas Turbine Testing

Product Description

2.1 Measuring Function
Steady-state Test: load power in rated range, measure generator steady-state 3 phase voltage, current, active power, reactive power, apparent power, power factor, frequency, and running time.
2.2 Dummy Load Function
Working principle and pattern: Dynamic adjustment principle, when real load is no more than X% (XkW) output power of DG set, load bank will automatically add load in 5 seconds to make sure real load power + load bank power ≥XkW and remove all load power in 5 seconds when real load power no less than XkW. 3 line LED multi-function meter can display real-time voltage and current of three phase and each phase, resistive power, power factor, apparent power, frequency and running time of generating set. User can pre-set the power then press the master load button. Control mode: Automatically load/unload. Through RS485 connect PC and load bank, the real-time data can be transferred to PC, use data management software, data can be formed into curves, exported to EXCEL or JPG file. 2.2 Control Mode
(1) Control Mode: local, remote or intelligent control(software) for choosing.
(2) Local Control: local control panel with several power steps, load or unload by switch on-off and read parameter values from measuring meter.
(3) Remote Control:through the switch in the remote control box, control the load over a long distance.
(4) Intelligent Control: through data processing software, realize all the test functions, display, record and manage the testing data, and generate curves, graphs and tables can be printed.
(5) Control Mode Interlock: with control mode switch, no matter chooses which mode, operation of other mode is invalid, avoid the clash.
2.3 Intelligent Load Function
(1) Communication Mode: using photoelectric isolated RS485 communication serial port connect to PC, and with great anti-interference performance to make system control stable. Through converts like USB or RS232 realize communication protocol conversion.
(2) Load Mode: steady-state load (manual load, preset load and automatic load) and transient state load (instant load and instant unload).
(3) Manual Load: input power and power factor, and load according to the preset value.
(4) Preset Load: input generator related parameters, then choose the preset proportion from 0% 25%, 50%, 75%, 100% or other available order and calculate the power value automatically and realize rapid load.
(5) Automatic Load: set several load stages and duration, then complete the process according this stages automatically. Pause at any time or start to next stage in the load process.
(6) Parallel Test: several load banks work in parallel, the parallel test via software. Parameters of each set can be displayed in each meter and total parameter values can be displayed and recorded.
2.6 Technical Parameter

System Parameter
Rating voltage/frequency	13.8KV, 3 phase 3 wire 60Hz
Max Load Power	Resistive Load: 2MW
Load Resolution	Total 4 steps 500kW,500kW,500kW,500kW
Power Factor	1
Load Tolerance (each step)	±5%
Load Tolerance (overall)	±3%
Fan &Control Voltage	External AC 3 phase 4 wire, 380V/60Hz
Wire Connection	Load bank input--Copper bar (star coupling "Y") Control power input--Connector-bar
Communication Interface	RS485,RS232
Insulation	F
Max Protection Grade	IP55
Duty Cycle	Continuous
Cooling	Forced air cooling, by Axial Fan; horizontal inlet air, vertical exhaust cooling
Enclosure	Container type,with a ladder, air inlet and outlet with mesh enclosure and protection door
Internal Lighting	Adequate internal lighting will be provided
Transportation	Hoisting, there are lifting lug in top of casing
Color	Grey RAL7035 or as required
Dimensions	About 12192mm×2438mm×2591mm(L×W×H)
Operating Environment Parameter
Ambient Temperature	-20ºC~+50ºC
Relative Humidity	≤95%
Atmospheric Pressure	86~106kPa
Brands of Main Components
Contactor	Xiguang
PLC	Siemens
Fuse	Chuantai
Alloy Resistor	(self-developing)
Data Processing Software	(self-developing)

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