489-P5-LO-A20 发电机管理继电器

489-P5-LO-A20技术规格

数字输入489传感器供应24 VDC在20 mA最大

断路器差动元件脱扣

地面定向定时精度±100ms

负序过流时间延迟0.1至100.0秒，步长0.1

中性电压输入转换范围0.005至1.00 ×满量程

过流报警定时精度占总时间的±0.5%

相位差分拾取电平1.01至1.50 ×额定V在步骤0.01

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产品详情

489-P5-LO-A20 发电机管理继电器

【功能描述】

489-P5-LO-A20技术规格

数字输入489传感器供应24 VDC在20 mA最大

断路器差动元件脱扣

地面定向定时精度±100ms

负序过流时间延迟0.1至100.0秒，步长0.1

中性电压输入转换范围0.005至1.00 ×满量程

过流报警定时精度占总时间的±0.5%

相位差分拾取电平1.01至1.50 ×额定V在步骤0.01

产品描述

489- p5 - lo - a20是一种发电机管理继电器，由GE Multilin为489系列制造。这个继电器有5个A相CT次级。LO控制电源为20 ~ 60vdc, 20 ~ 48vac, 48hz ~ 62hz。该继电器上的模拟输出为4至20 mA。这个继电器有一个基本的显示。

该单元的运输重量为10千克(约)，尺寸为21.6厘米(长)x 22.4厘米(宽)x 25.2厘米(高)。前面板包括多个状态led以及输入按钮，数字键盘，输入端口和用于读取信息的LCD屏幕在单元的位置。

“频率”取值范围为0.00 ~ 90.00 Hz。“中性伏特(3)”参数取值范围为0 ~ 25000 V。“平均电压”参数取值范围为额定电压的0.00 ~ 1.50倍。功率因数参数的范围为0.01至1.00超前/滞后。无功功率(Mvar)参数取值范围为额定电压的-2.00 ~ 2.00。实际功率参数的取值范围为额定电压的-2.00 ~ 2.00倍。视在功率参数的取值范围为额定电压的0.00至2.00倍。模拟输入1 ~ 4的取值范围为-50000 ~ +50000。转速表参数的范围为0到7200rpm。“已用热容量”取值范围为0 ~ 100%。当前需求参数的范围为0.00到20.00 × FLA。Mvar需求参数的范围为额定电压的0.00至2.00倍。MW需求参数的范围为额定电压的0.00至2.00倍。MVA需求参数的范围为额定电压的0.00至2.00倍。

关于489-P5-LO-A20的常见问题

是否有GE发电机管理继电器489系列的手册?

是的，GE发电机管理继电器的489系列有手册，该手册以PDF格式提供，手册部件编号为1601-0150-AE。

GE发电机管理继电器489-P5-LO-A20有多少输出继电器?

GE发电机管理继电器489-P5-LO-A20有6个输出继电器，用于报警和跳闸。

489发电机管理继电器应多久上电一次?

建议489发电机管理继电器每年至少通电一次，以防止电源内的电解电容器变质。

489-P5-LO-A20 发电机管理继电器

489-P5-LO-A20 Technical specifications

Digital input 489 sensor supplies 24 VDC at 20 mA Max

Differential element trip of circuit breaker

Ground orientation timing accuracy ±100ms

Negative sequence pass time delay 0.1 to 100.0 seconds, step size 0.1

Neutral voltage input conversion range 0.005 to 1.00 × full scale

The timing accuracy of overcurrent alarm is ±0.5% of the total time

Phase differential pick level 1.01 to 1.50 × rated V in step 0.01

Product description

The 489-P5-LO-A20 is a generator management relay manufactured by GE Multilin for the 489 series. This relay has 5 A phase CT secondary. LO control power supply is 20 ~ 60vdc, 20 ~ 48vac, 48hz ~ 62hz. The analog output on this relay is 4 to 20 mA. This relay has a basic display.

The unit has a transport weight of 10 kg (approx.) and dimensions of 21.6 cm (L)x 22.4 cm (W)x 25.2 cm (H). The front panel includes multiple status leds as well as input buttons, numeric keypads, input ports and an LCD screen for reading information at the location of the unit.

Frequency ranges from 0.00 to 90.00 Hz. Neutral Volt (3) ranges from 0 to 25000 V. Average Voltage ranges from 0.00 to 1.50 times of the rated voltage. The power factor parameters range from 0.01 to 1.00 lead/lag. Reactive power (Mvar) The value ranges from -2.00 to 2.00 of the rated voltage. The actual power parameter ranges from -2.00 to 2.00 times of the rated voltage. The value of the apparent power parameter ranges from 0.00 to 2.00 times of the rated voltage. The value of analog input 1 to 4 ranges from -50000 to +50000. The tachometer parameters range from 0 to 7200rpm. Used heat capacity ranges from 0 to 100%. The current requirement parameters range from 0.00 to 20.00 × FLA. Mvar requirements range from 0.00 to 2.00 times the rated voltage. The MW requirement parameters range from 0.00 to 2.00 times the rated voltage. The MVA requirements range from 0.00 to 2.00 times the rated voltage.

Frequently Asked Questions about 489-P5-LO-A20

Is there a manual for GE Generator Management Relay Series 489?

Yes, the 489 series of GE generator management relays has a manual, which is available in PDF format with manual part number 1601-0150-AE.

How many output relays does GE Generator Management Relay 489-P5-LO-A20 have?

The GE Generator Management Relay 489-P5-LO-A20 has six output relays for alarm and trip.

489 How often should the generator management relay be powered on?

It is recommended that the 489 generator management relay be energized at least once a year to prevent deterioration of the electrolytic capacitors within the power supply.