YX-DTSD type distribution transformer monitoring terminal is a new generation of intelligent products my company special transformer on-site service for distribution. It combines modern mobile communication technology, computer technology, the electrical measurement technology in a body. Support and the use of advanced GPRS/CDMA public wireless communication network technology, can realize the power monitoring, wattless power compensation, automatic meter reading, power quality analysis, the voltage qualification rate statistics, automatic generation of the data management, analysis, report forms, the curve of metering equipment exception monitoring and abnormal transformer monitoring and remote alarm functions, strengthen the power sector technical anti theft ability; provides a scientific, advanced technology for the power sector management.
Main features:
Monitoring and control of 1, this product is used in the switch circuit, distribution transformer, high voltage metering user, low voltage measurement users and other related equipment, also can monitor and control is applied to the distribution of column switch.
2, applied to high voltage metering users and low voltage metering user can be matched with a corresponding metering box, remote meter reading function.
3, telemetry functions can realize voltage qualified rate statistical, provide this month cumulative time, low voltage high voltage time, total running time.
4, because the product has a control output interface, if connected with the high voltage switch with the electric actuator or low voltage switch, this product can realize load control function.
5, with the power switch on column supporting the use of, measurement can realize three-phase voltage, three-phase current, three-phase active power, reactive power, three-phase non three phase power factor calculation, provides two control output switch quantity input, can realize telemetry, remote control, function, can realize the overcurrent tripping function.
6, because the product has a flexible extended interface, when applied to low voltage power distribution cabinet, the terminal equipment can be extended without power compensation controller, realize low voltage reactive power automatic compensation.
7, with the remote host communication using real-time online GPRS mode, high efficiency, reliable communication state.
8, the EMC performance, can resist the external conductive transient bursts, magnetic field, electrostatic, lightning surge interference, comply with the Q/GDW129-2005 requirements of electromagnetic compatibility; adopt the non metal shell, CDMA module and GPRS module are interchangeable, compact size, convenient installation.
Technical parameters of the terminal products:
★ power input:
AC, DC 220V + 20% and 100V + 20%. Two power input at the same time, the internal automatic switching power consumption is less than 2W.
★ switch output:
Capacity.......................................... 2 Road
Output mode.................. Two groups of normally closed or open (internal are optional)
Contact capacity.................. 8A/AC250V, 8A/DC30V
Startup mode............ The master control, limit start, manual operation
★ communication interface:
A RS-485 interface, and electric meter communication or functional expansion.
An external RS-232 interface, debugging through.
An internal RS-232 interface, and the GPRS communication module.
★ switch input:
Capacity.................................... 2 Road
Resolution.................. Less than 10 ms
Isolation mode............ Photoelectric isolation, voltage 1500Vdc
Surge withstand voltage.............................. 1500V
★ analog acquisition (make burlesque sampling):
Capacity.................................... 6 Road
Input voltage range.................. 0 - 400V
Current input range.................. 0 - 8A
Voltage sampling precision........................ 0.5%
Current sampling precision........................ 0.5%
★ work environment:
Working temperature: -25 ℃ ~ +70 ℃
Relative humidity 10% ~ 100%
★ insulation performance:
Power frequency withstand voltage of 2 kV
Impulse withstand voltage of 6 kV
★ electromagnetic compatibility:
Electrostatic discharge is 8 kV
Electrical fast transient burst signal circuit 2 kV 4 kV power supply circuit
The surge of 2 kV (DM) 4 kV (common mode)
