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Hangzhou Xizi Group Co., Ltd

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xizidb@126.com
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No. 8 Zhuantang Science and Technology Park, Zhuantang Street, Xihu District, Hangzhou City, Zhejiang Province

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XCDMP300A series digital protection and measurement device

NegotiableUpdate on 05/12

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

Electric energy meter series, digital display instrument series, power automation series, rail type power instrument series

Product Details

Specification ModelXCDMP300A
summary:

The XCDMP300A series digital protection and measurement device is a digital multifunctional relay that integrates multiple functions such as protection, measurement, monitoring, control, human-machine interface, and communication. The device is a new generation of protective products developed based on the digestion and absorption of advanced technologies at home and abroad, targeting the demand of the Chinese market. Suitable for main or backup protection of various electrical equipment and lines in non directly grounded power grids with voltage levels of 66KV and below. The XCDMP300A series digital protection and measurement device is usually used to meet the protection and automation functions required by substations, reducing maintenance workload and spare parts.

Technical indicators and parameters:

1) Environmental conditions:

Normal temperature: -10 ℃~55 ℃

Extreme temperature: -25 ℃~70 ℃

Relative humidity: ≤ 95%, no condensation.

Atmospheric pressure: 80-110 kPa.

2) Insulation performance:

Insulation resistance: greater than 500M Ω (500V megohmmeter) between each electrical circuit, and greater than 500M Ω (500V megohmmeter) between each electrical circuit and ground.

Power frequency withstand voltage: The voltage between each electrical circuit is 2.5KV/50Hz for 1 minute, and the voltage between each electrical circuit and the ground is 2.5KV/50Hz for 1 minute.

Impulse voltage: ± 0.5KV/0.5J, 1.2/50 μ s between each electrical circuit,

The distance between each electrical circuit and ground is ± 5.0KV/0.5J, 1.2/50 μ s.

High frequency withstand voltage: 2.5KV/2s between each electrical circuit

The voltage between each electrical circuit and the ground is 2.5KV/2s

3) mechanical properties

Can withstand the vibration test of severity level I specified in GB7261-87-16 standard.

Can withstand the impact test of severity level I specified in GB7261-87-17 standard.

Capable of withstanding the harsh level I collision test specified in GB7261-87-18 standard.

4) Electromagnetic compatibility performance

Capable of withstanding the strict level 3 electrostatic discharge test specified in GB/T 14598.14-2010 standard.

Capable of withstanding the harsh level 3 electromagnetic field interference test specified in GB/T 14598.9-2010 standard.

Capable of withstanding 1MHz pulse group interference test with severity level 3 specified in GB/T 14598.13-2008 standard.

Can withstand the rapid transient interference test of severity level B specified in GB/T 14598.10-2007 standard.

Capable of withstanding the severe level 3 surge impact test specified in GB/T 14598.18-2007 standard.

5) safety performance

The device complies with GB16836-1997 with a shell protection level of not less than IP20 and a safety category of Class I.

6) working power supply

Voltage range: 85-264V (AC or DC).

7) Rated control power supply

Rated voltage: AC/DC 220V (for those with a rated voltage of 110V or those requiring both AC and DC, it must be specified at the time of ordering).

8) Rated AC parameters

Rated current: 5A (rated current of 1A must be specified at the time of ordering).

Rated voltage: 100V (line voltage) or 100/√ 3 (phase voltage).

Frequency: 50Hz.

9) power consumption

The normal power consumption of the working power supply is less than 10W, and the maximum power consumption is less than 20W.

The power consumption of the AC current circuit is less than 1VA per phase.

The power consumption of the AC voltage circuit is less than 1VA per phase.

10) communication function

RS485 communication adopts the national standard Modbus communication protocol.

11) overload capacity

AC current circuit: 2 times rated current, continuous operation, 10 times rated current, allowed for 10 seconds, 40 times current, allowed for 1 second.

AC voltage circuit: 2 times the rated voltage, continuous operation.

12) Output contact capacity

Trip contact capacity: In a DC inductive load circuit with a voltage not exceeding 250V, a current not exceeding 1A, and a time constant L/R of (5 ± 0.75) ms, the contact breaking capacity is 50W, and it is allowed to pass a current not exceeding 5A for a long time.

Other contact capacity: In a DC inductive load circuit with a voltage not exceeding 250V, a current not exceeding 0.5A, and a time constant L/R of (5 ± 0.75) ms, the contact breaking capacity is 30W, and the allowable long-term passing current is not more than 3A.

13) Device features

The main interface can dynamically display the main connecting coil. According to customer needs, the input name can be freely edited in the background, and the output can be set to pulse or level signals at will. The CDMP900A series device has a Chinese English switching function.

14) Accuracy of measuring components

Response time of the measurement system: ≤ 400ms.

Measurement accuracy: U and I are at level 0.2; P is at level 0.5; Q is at level 0.5.

Accuracy=│ measured value - reference value │/full-scale range value.

Voltage measurement range: 0V to 120V, with an error not exceeding ± 0.2%.

Current measurement range: 0A~6A, with an error not exceeding ± 0.2%.

The error of active power and reactive power shall not exceed ± 0.5%.

Frequency measurement accuracy: ＜ ± 0.02Hz

The variation in measurement accuracy caused by changes in environmental temperature and atmospheric pressure is ≤± 0.5%.

Product Specifications

name	model	Main functions	Remarks
Universal protection and measurement device	301T	Current protection (three-stage overcurrent, definite time limit, inverse time limit, negative sequence current, overload, zero sequence current, compound voltage overcurrent, Ix overcurrent protection), reclosing (with no voltage detection, synchronous detection, and post acceleration), low-frequency load shedding protection (with slip locking), low-frequency disconnection protection, voltage protection (low-voltage disconnection, low voltage, overvoltage, loss of voltage, negative sequence overvoltage, zero sequence voltage), small current grounding protection, backup automatic switching, starting reclosing, manual acceleration after closing, motor (including protection for long starting time, overheating protection, and current setting doubling), reverse power, non electric quantity protection (including heavy gas, light gas, high oil temperature, and oil temperature over) High)	Note 1: Inverse time limit includes IEC standards Three characteristic curves of inverse time: standard inverse time, extraordinary inverse time, and extreme inverse time. Note 2: If the non electric quantity protection function is activated, the designated input ports are for each non electric quantity based on the type of non electric quantity protection activated.
Automatic backup power input device	331A	Current protection (current quick break, overcurrent, zero sequence current), reclosing (with rear acceleration), comprehensive backup automatic switching.	Specially designed for segmented protection, measurement and control of busbars with voltage levels of 66KV and below, automatic switching of backup power supply, automatic switching of incoming line backup and busbars backup.
Asynchronous motor comprehensive protection and measurement device	362A	Longitudinal differential protection (differential quick break, ratio differential<with CT disconnection interlock>, differential current over limit warning), magnetic balance differential protection, current protection (three-stage overcurrent, timed limit, inverse time limit, stage II negative sequence overcurrent, overload, zero sequence current), voltage protection (overvoltage, low voltage), overheating protection, long start-up time protection, non electric quantity protection (including non electric quantity one and non electric quantity two). With CT disconnection locking>	Note 1: Inverse time limit includes IEC standards Three characteristic curves of inverse time: standard inverse time, extraordinary inverse time, and extreme inverse time. Note 2: If the non electric quantity protection function is activated, the designated input ports are for each non electric quantity based on the type of non electric quantity protection activated.
Generator comprehensive protection measurement and control device	363A	Longitudinal differential protection (differential quick break, ratio differential<with CT disconnection interlock>, differential current limit warning), transverse differential protection, current protection (II composite voltage overcurrent, zero sequence overcurrent, overload, II section negative sequence overcurrent), voltage protection (zero sequence voltage, overvoltage), reverse power protection, low-frequency disconnection protection, low excitation demagnetization protection. With CT disconnection locking>	Suitable for comprehensive protection of electric motors in non directly grounded power grids with voltage levels of 66KV and below.
Voltage Transformer Protection and Measurement Device	381A	Voltage protection (overvoltage, low voltage, negative sequence voltage, zero sequence voltage), PT parallel function.	Dedicated to the protection and measurement of voltage transformers, one device can complete the protection and measurement of two voltage transformers with segmented single busbar connection.
Transformer backup protection measurement and control device	391A	IV section compound voltage lockout directional overcurrent protection (with directional lockout, voltage lockout, negative sequence voltage lockout), overload protection, main transformer cold air protection, overload lockout voltage regulation protection, zero sequence overvoltage protection, II section zero sequence overcurrent protection.	Dedicated to backup protection for two or three coil transformers with voltage levels of 66KV and below.
Transformer differential protection device	392A	Differential quick break protection, ratio differential protection, differential current over limit alarm, medium voltage side overcurrent protection, low voltage side overcurrent protection, non electric quantity protection.	A two or three coil transformer main protection device specifically designed for voltage levels of 66KV and below, mainly used for differential, gas, and temperature protection of the main transformer.
Transformer measurement and control device	393A	High voltage side three-phase measurement current (Ia1, Ib1, Ic1), high-voltage side three-phase phase voltage (Ua1, Ub1, Uc1), high-voltage side three-phase line voltage (Uab1, Ubc1, Uca1), low-voltage side three-phase measurement current (Ia2, Ib2, Ic2), low-voltage side three-phase phase voltage (Ua2, Ub2, Uc2), low-voltage side three-phase phase voltage (Uab2, Ubc2, Uca2), frequency (F) High voltage side active power (P), reactive power (Q), high voltage side active power (PW), reactive power (QW), low voltage side active power (P2), reactive power (Q2), low voltage side active power (PW2), reactive power (QW2) 8-way relay remote control output	Suitable for measuring and monitoring two coil transformers with voltage levels of 66KV and below.