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ap330 series of microcomputer-based protection, measurement & control device
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ap330 series of microcomputer-based protection, measurement & control device are independently developed and produced with domestic and international advanced technologies for meeting the needs of continuous development of power system in china. with a voltage scope of ≤ 100kv, the device is equipped with arm9 flash memory microcontroller with 32-bit core. the device features stylish appearance, exquisite structure, and large-screen lcd. with graphical chinese menu and four-direction navigation panel, it is simple and convenient to operate the lcd. it integrates multiple functions, including protection, measurement, control, monitoring, communication, fault recording, and event recording. it can precisely measure current, voltage, power, power factor, frequency, zero-sequence current, and zero-sequence voltage, calculate the electricity, record 256 events online, and perform first-in first-out(fifo) dynamic refresh. the records are dated and will not be lost in case of power failure. the devices can be installed separately or assembled in the cubicle, and it is an ideal element of intelligent switchgear.
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complete protection functions: all models have complete protection functions and can be customized according to user requirements.
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logic function: protection functions, relays and inputs are provided with logical configuration function, and can be set by users on site as needed; for example, the signal output of protection action can be set freely, and the switching value can be set to achieve non-electricity protection and interlocking protection.
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measurement function: the device can precisely measure current, voltage, p, q, power factor, frequency, zero-sequence current, zero-sequence voltage, and calculate the electricity.
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control circuit: the device is provided with anti-trip circuit for both dc and ac; the anti-trip function is easy to be relieved.
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high integration: the device integrates multiple functions, such as protection, measurement, control, monitoring, communication, wave recording and event recording.
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friendly man-machine interface: the device is equipped with a large-screen graphic lcd to dynamically display primary system diagram, real-time waveform graph, fault oscillograph, various electrical parameters and protection information. with graphical chinese menu and four-direction navigation panel, it is simple and convenient to operate.
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strong communication function: the device is provided with dual 485 interfaces and ethernet interfaces (optical and electrical ports); communication protocol supports modbus rtu and modbus tcp; the device can achieve telemetering, telesignal, telecontrol, setting and query of protection value, device working condition, soe event recording, wave recording data and other transmission functions.
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multi-channel status monitoring: there are up to 16 input channels, and except for special definitions, other inputs can be defined by the user, so it is unnecessary for user to monitor the multi-channel inputs or install other device.
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strong self-check: the device can self-check software and hardware in real time and send alarm.
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online programming (isp): the device is provided with an online programming communication interface through which software modules can be downloaded freely without disassembling the device.
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soe event recording: the device can record 256 events online, and perform first-in first-out (fifo) dynamic refresh; the records are dated and will not be lost in case of power failure.
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fault wave recording: the device can record the current, voltage, circuit breaker status and protection information before, during and after the fault factually and completely. the record length is 100 cycles and the records will provide the basis for the user to analyze the fault.
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automatic pop-up of fault screen: when there is protection action or alarm information, the device automatically pops up a screen to prompt the user for action or protection.
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gps timing: the device is providing a clock synchronization interface to receive gps timing signal.
- beautiful appearance: the enclosure is made of aluminum alloy plates, featuring good heat dissipation, compact structure, strong vibration resistance and better electromagnetic compatibility. the front enclosure is made of black pmma and metal, featuring stylish appearance and simple instructions for operation.
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complete protection functions: all models have complete protection functions and can be customized according to user requirements.
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items
conditions
accuracy
current
10%--120%in ＜±0.2% voltage
20%--120% ＜±0.2% active power
＜±0.5% reactive power
＜±0.5% frequency
45-65hz ＜0.02hz anti-interference capability test
items
measured parts
index parameters
fast transient test
ac circuit, power supply circuit
2kv、3kv anti-surge test
ac circuit, power supply circuit
2kv、3kv power drop
power supply circuit
drop to 50%＞500ms
0%＞100ms
immunity to electrostatic discharge
front and rear panels of the enclosure
6kv contact
8kv non-contact
differential-mode interference
ac circuit, power supply circuit
1.0kv、1mhz common-mode interference
ac circuit, power supply circuit
2.5kv、1mhz power supply
type
voltage
wave shape
frequency
power consumption
ripple wave
wave form distortion
dc
100v-250v dc
—— ＜20w ＜5% —— ac
85v-265v ac
50±5hz ＜20w —— ＜5%